diff --git a/lerna.json b/lerna.json
index 1514bd2b7..aa621df0f 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,4 +1,4 @@
 {
   "lerna": "2.0.0-beta.34",
-  "version": "3.14.3"
+  "version": "4.0.0"
 }
diff --git a/packages/turf-along/package.json b/packages/turf-along/package.json
index eb6be3709..9ba08a733 100644
--- a/packages/turf-along/package.json
+++ b/packages/turf-along/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/along",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf along module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -32,12 +32,12 @@
   "devDependencies": {
     "benchmark": "^1.0.0",
     "tape": "^3.5.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   },
   "dependencies": {
-    "@turf/bearing": "^3.14.0",
-    "@turf/destination": "^3.14.0",
-    "@turf/distance": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/bearing": "^4.0.0",
+    "@turf/destination": "^4.0.0",
+    "@turf/distance": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-area/package.json b/packages/turf-area/package.json
index ed8ae492a..eaecffef5 100644
--- a/packages/turf-area/package.json
+++ b/packages/turf-area/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/area",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf area module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -36,6 +36,6 @@
   },
   "dependencies": {
     "@mapbox/geojson-area": "^0.2.2",
-    "@turf/meta": "^3.14.0"
+    "@turf/meta": "^4.0.0"
   }
 }
diff --git a/packages/turf-bbox-polygon/package.json b/packages/turf-bbox-polygon/package.json
index 9f463071d..7e02523fb 100644
--- a/packages/turf-bbox-polygon/package.json
+++ b/packages/turf-bbox-polygon/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/bbox-polygon",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf bbox-polygon module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -34,6 +34,6 @@
     "tape": "^3.5.0"
   },
   "dependencies": {
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-bbox/package.json b/packages/turf-bbox/package.json
index 987d440c1..0066e19c9 100644
--- a/packages/turf-bbox/package.json
+++ b/packages/turf-bbox/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/bbox",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf bbox module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -35,6 +35,6 @@
     "tape": "^3.5.0"
   },
   "dependencies": {
-    "@turf/meta": "^3.14.0"
+    "@turf/meta": "^4.0.0"
   }
 }
diff --git a/packages/turf-bearing/package.json b/packages/turf-bearing/package.json
index 9b309e745..6f2b52676 100644
--- a/packages/turf-bearing/package.json
+++ b/packages/turf-bearing/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/bearing",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf bearing module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -27,13 +27,13 @@
   },
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
-    "@turf/destination": "^3.14.0",
-    "@turf/helpers": "^3.13.0",
+    "@turf/destination": "^4.0.0",
+    "@turf/helpers": "^4.0.0",
     "benchmark": "^1.0.0",
     "tape": "^3.5.0",
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/invariant": "^3.13.0"
+    "@turf/invariant": "^4.0.0"
   }
 }
diff --git a/packages/turf-bezier/package.json b/packages/turf-bezier/package.json
index df7fadefe..252660988 100644
--- a/packages/turf-bezier/package.json
+++ b/packages/turf-bezier/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/bezier",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf bezier module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -35,6 +35,6 @@
     "tape": "~3.5.0"
   },
   "dependencies": {
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-buffer/package.json b/packages/turf-buffer/package.json
index a3b0b09e0..8b1adfd0d 100644
--- a/packages/turf-buffer/package.json
+++ b/packages/turf-buffer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/buffer",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf buffer module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -32,8 +32,8 @@
   },
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
-    "@turf/helpers": "^3.13.0",
-    "@turf/truncate": "^3.13.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/truncate": "^4.0.0",
     "benchmark": "^1.0.0",
     "eslint": "^3.15.0",
     "eslint-config-mourner": "^2.0.1",
@@ -44,8 +44,8 @@
   },
   "dependencies": {
     "@mapbox/geojson-normalize": "0.0.1",
-    "@turf/combine": "^3.14.0",
-    "@turf/helpers": "^3.13.0",
+    "@turf/combine": "^4.0.0",
+    "@turf/helpers": "^4.0.0",
     "jsts": "1.3.0"
   }
 }
diff --git a/packages/turf-center-of-mass/package.json b/packages/turf-center-of-mass/package.json
index 7b4e76e95..7457904b5 100644
--- a/packages/turf-center-of-mass/package.json
+++ b/packages/turf-center-of-mass/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/center-of-mass",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf center-of-mass module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -32,10 +32,10 @@
     "tape": "~3.5.0"
   },
   "dependencies": {
-    "@turf/meta": "^3.14.0",
-    "@turf/centroid": "^3.14.0",
-    "@turf/convex": "^3.14.0",
-    "@turf/explode": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/meta": "^4.0.0",
+    "@turf/centroid": "^4.0.0",
+    "@turf/convex": "^4.0.0",
+    "@turf/explode": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-center/package.json b/packages/turf-center/package.json
index 637c6a77b..1641629c5 100644
--- a/packages/turf-center/package.json
+++ b/packages/turf-center/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/center",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf center module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -35,7 +35,7 @@
     "tape": "^3.5.0"
   },
   "dependencies": {
-    "@turf/bbox": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/bbox": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-centroid/package.json b/packages/turf-centroid/package.json
index 0bce6796d..5178f728d 100644
--- a/packages/turf-centroid/package.json
+++ b/packages/turf-centroid/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/centroid",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf centroid module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -34,7 +34,7 @@
     "tape": "^3.5.0"
   },
   "dependencies": {
-    "@turf/meta": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/meta": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-circle/package.json b/packages/turf-circle/package.json
index 6cbff6a73..d03384239 100644
--- a/packages/turf-circle/package.json
+++ b/packages/turf-circle/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/circle",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf circle module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -33,11 +33,11 @@
   "devDependencies": {
     "benchmark": "^1.0.0",
     "tape": "^3.5.0",
-    "@turf/distance": "^3.14.0",
-    "@turf/inside": "^3.14.0"
+    "@turf/distance": "^4.0.0",
+    "@turf/inside": "^4.0.0"
   },
   "dependencies": {
-    "@turf/destination": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/destination": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-collect/package.json b/packages/turf-collect/package.json
index 3cb05a190..59f80051f 100644
--- a/packages/turf-collect/package.json
+++ b/packages/turf-collect/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/collect",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf collect module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -36,11 +36,11 @@
   "devDependencies": {
     "benchmark": "^1.0.0",
     "tape": "^3.6.1",
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   },
   "dependencies": {
     "rbush": "^2.0.1",
-    "@turf/bbox": "^3.14.0",
-    "@turf/inside": "^3.14.0"
+    "@turf/bbox": "^4.0.0",
+    "@turf/inside": "^4.0.0"
   }
 }
diff --git a/packages/turf-combine/package.json b/packages/turf-combine/package.json
index aad33705f..f22292cd5 100644
--- a/packages/turf-combine/package.json
+++ b/packages/turf-combine/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/combine",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf combine module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -32,9 +32,9 @@
   "devDependencies": {
     "benchmark": "^1.0.0",
     "tape": "^3.5.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   },
   "dependencies": {
-    "@turf/meta": "^3.14.0"
+    "@turf/meta": "^4.0.0"
   }
 }
diff --git a/packages/turf-concave/package.json b/packages/turf-concave/package.json
index 4f6852edb..c3300b450 100644
--- a/packages/turf-concave/package.json
+++ b/packages/turf-concave/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/concave",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf concave module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -31,12 +31,12 @@
     "benchmark": "^1.0.0",
     "glob": "~4.3.5",
     "tape": "~3.5.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   },
   "dependencies": {
-    "@turf/meta": "^3.14.0",
-    "@turf/tin": "^3.14.0",
+    "@turf/meta": "^4.0.0",
+    "@turf/tin": "^4.0.0",
     "@turf/union": "^3.14.0",
-    "@turf/distance": "^3.14.0"
+    "@turf/distance": "^4.0.0"
   }
 }
diff --git a/packages/turf-convex/package.json b/packages/turf-convex/package.json
index d45818b4d..08eeb0ab8 100644
--- a/packages/turf-convex/package.json
+++ b/packages/turf-convex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/convex",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf convex module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -33,7 +33,7 @@
   },
   "dependencies": {
     "convex-hull": "^1.0.3",
-    "@turf/meta": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/meta": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-destination/package.json b/packages/turf-destination/package.json
index bbbd325f9..5aeaa30f4 100644
--- a/packages/turf-destination/package.json
+++ b/packages/turf-destination/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/destination",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf destination module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -31,13 +31,13 @@
   },
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
-    "@turf/distance": "^3.14.0",
+    "@turf/distance": "^4.0.0",
     "benchmark": "^1.0.0",
     "tape": "^3.5.0"
   },
   "dependencies": {
-    "@turf/helpers": "^3.13.0",
-    "@turf/invariant": "^3.13.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/invariant": "^4.0.0",
     "load-json-file": "^2.0.0",
     "write-json-file": "^2.0.0"
   }
diff --git a/packages/turf-difference/package.json b/packages/turf-difference/package.json
index f2c34588e..7949cfa8b 100644
--- a/packages/turf-difference/package.json
+++ b/packages/turf-difference/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/difference",
-  "version": "3.13.0",
+  "version": "4.0.0",
   "description": "turf difference module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -33,6 +33,6 @@
   },
   "dependencies": {
     "jsts": "1.3.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-dissolve/package.json b/packages/turf-dissolve/package.json
index bdd4c2958..7f47fd291 100644
--- a/packages/turf-dissolve/package.json
+++ b/packages/turf-dissolve/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/dissolve",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf dissolve module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -35,8 +35,8 @@
     "tape": "^4.6.3"
   },
   "dependencies": {
-    "@turf/bbox": "^3.14.0",
-    "@turf/helpers": "^3.13.0",
+    "@turf/bbox": "^4.0.0",
+    "@turf/helpers": "^4.0.0",
     "@turf/union": "^3.14.0",
     "geojson-utils": "^1.1.0",
     "get-closest": "0.0.3",
diff --git a/packages/turf-distance/package.json b/packages/turf-distance/package.json
index 67e436d38..b18404ab4 100644
--- a/packages/turf-distance/package.json
+++ b/packages/turf-distance/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/distance",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf distance module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -33,8 +33,8 @@
     "tape": "^3.5.0"
   },
   "dependencies": {
-    "@turf/helpers": "^3.13.0",
-    "@turf/invariant": "^3.13.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/invariant": "^4.0.0",
     "load-json-file": "^2.0.0",
     "write-json-file": "^2.0.0"
   }
diff --git a/packages/turf-envelope/package.json b/packages/turf-envelope/package.json
index 0acf00d22..3ea9b98a8 100644
--- a/packages/turf-envelope/package.json
+++ b/packages/turf-envelope/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/envelope",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf envelope module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -34,7 +34,7 @@
     "tape": "^3.5.0"
   },
   "dependencies": {
-    "@turf/bbox-polygon": "^3.14.0",
-    "@turf/bbox": "^3.14.0"
+    "@turf/bbox-polygon": "^4.0.0",
+    "@turf/bbox": "^4.0.0"
   }
 }
diff --git a/packages/turf-explode/package.json b/packages/turf-explode/package.json
index 776d27cf0..707976d85 100644
--- a/packages/turf-explode/package.json
+++ b/packages/turf-explode/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/explode",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf explode module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -29,7 +29,7 @@
   },
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
-    "@turf/helpers": "^3.13.0",
+    "@turf/helpers": "^4.0.0",
     "benchmark": "^1.0.0",
     "eslint": "^3.14.1",
     "eslint-config-mourner": "^2.0.1",
@@ -39,7 +39,7 @@
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/meta": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/meta": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-flatten/package.json b/packages/turf-flatten/package.json
index 12452b255..4c21e41f6 100644
--- a/packages/turf-flatten/package.json
+++ b/packages/turf-flatten/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/flatten",
-  "version": "3.14.2",
+  "version": "4.0.0",
   "description": "turf flatten module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -36,8 +36,8 @@
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/helpers": "^3.13.0",
-    "@turf/invariant": "^3.13.0",
-    "@turf/meta": "^3.14.0"
+    "@turf/helpers": "^4.0.0",
+    "@turf/invariant": "^4.0.0",
+    "@turf/meta": "^4.0.0"
   }
 }
diff --git a/packages/turf-flip/package.json b/packages/turf-flip/package.json
index ee2448f81..8e768da8a 100644
--- a/packages/turf-flip/package.json
+++ b/packages/turf-flip/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/flip",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf flip module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -31,9 +31,9 @@
   "devDependencies": {
     "benchmark": "^1.0.0",
     "tape": "^3.5.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   },
   "dependencies": {
-    "@turf/meta": "^3.14.0"
+    "@turf/meta": "^4.0.0"
   }
 }
diff --git a/packages/turf-great-circle/package.json b/packages/turf-great-circle/package.json
index 0b7c715f8..75a0d7919 100644
--- a/packages/turf-great-circle/package.json
+++ b/packages/turf-great-circle/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/great-circle",
-  "version": "3.13.2",
+  "version": "4.0.0",
   "description": "turf great-circle module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -36,15 +36,15 @@
   },
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
-    "@turf/helpers": "^3.13.0",
-    "@turf/truncate": "^3.13.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/truncate": "^4.0.0",
     "benchmark": "^2.1.3",
     "load-json-file": "^2.0.0",
     "tape": "^3.6.1",
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/invariant": "^3.13.0",
+    "@turf/invariant": "^4.0.0",
     "arc": "^0.1.0"
   }
 }
diff --git a/packages/turf-helpers/package.json b/packages/turf-helpers/package.json
index 325e66b91..9e224be0c 100644
--- a/packages/turf-helpers/package.json
+++ b/packages/turf-helpers/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/helpers",
-  "version": "3.13.0",
+  "version": "4.0.0",
   "description": "turf helpers module",
   "main": "index.js",
   "types": "index.d.ts",
diff --git a/packages/turf-hex-grid/package.json b/packages/turf-hex-grid/package.json
index fec6e26a7..29ce2786f 100644
--- a/packages/turf-hex-grid/package.json
+++ b/packages/turf-hex-grid/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/hex-grid",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf hex-grid module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -37,10 +37,10 @@
   },
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
-    "@turf/bbox-polygon": "^3.14.0",
-    "@turf/explode": "^3.14.0",
-    "@turf/inside": "^3.14.0",
-    "@turf/truncate": "^3.13.0",
+    "@turf/bbox-polygon": "^4.0.0",
+    "@turf/explode": "^4.0.0",
+    "@turf/inside": "^4.0.0",
+    "@turf/truncate": "^4.0.0",
     "benchmark": "^1.0.0",
     "eslint": "^3.15.0",
     "eslint-config-mourner": "^2.0.1",
@@ -49,7 +49,7 @@
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/distance": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/distance": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-idw/package.json b/packages/turf-idw/package.json
index bd5d4be21..1439af681 100644
--- a/packages/turf-idw/package.json
+++ b/packages/turf-idw/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/idw",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf idw module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -26,10 +26,10 @@
     "tape": "^4.5.1"
   },
   "dependencies": {
-    "@turf/bbox": "^3.14.0",
-    "@turf/centroid": "^3.14.0",
-    "@turf/distance": "^3.14.0",
-    "@turf/helpers": "^3.13.0",
-    "@turf/square-grid": "^3.14.0"
+    "@turf/bbox": "^4.0.0",
+    "@turf/centroid": "^4.0.0",
+    "@turf/distance": "^4.0.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/square-grid": "^4.0.0"
   }
 }
diff --git a/packages/turf-inside/package.json b/packages/turf-inside/package.json
index 63b452fe9..dec17faf6 100644
--- a/packages/turf-inside/package.json
+++ b/packages/turf-inside/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/inside",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf inside module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -33,9 +33,9 @@
   "devDependencies": {
     "benchmark": "^1.0.0",
     "tape": "^3.5.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   },
   "dependencies": {
-    "@turf/invariant": "^3.13.0"
+    "@turf/invariant": "^4.0.0"
   }
 }
diff --git a/packages/turf-invariant/package.json b/packages/turf-invariant/package.json
index 1c79d35e7..9f6439d7b 100644
--- a/packages/turf-invariant/package.json
+++ b/packages/turf-invariant/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/invariant",
-  "version": "3.13.0",
+  "version": "4.0.0",
   "description": "turf invariant module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -28,7 +28,7 @@
     "url": "https://github.com/Turfjs/turf/issues"
   },
   "devDependencies": {
-    "@turf/helpers": "^3.13.0",
+    "@turf/helpers": "^4.0.0",
     "benchmark": "^2.1.3",
     "tape": "^3.5.0"
   },
diff --git a/packages/turf-isolines/package.json b/packages/turf-isolines/package.json
index b531ed5b2..0acd2e575 100644
--- a/packages/turf-isolines/package.json
+++ b/packages/turf-isolines/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/isolines",
-  "version": "3.14.2",
+  "version": "4.0.0",
   "description": "turf isolines module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -36,13 +36,13 @@
     "tape": "^3.5.0"
   },
   "dependencies": {
-    "@turf/bbox": "^3.14.0",
-    "@turf/point-grid": "^3.14.0",
-    "@turf/distance": "^3.14.0",
-    "@turf/inside": "^3.14.0",
-    "@turf/helpers": "^3.13.0",
+    "@turf/bbox": "^4.0.0",
+    "@turf/point-grid": "^4.0.0",
+    "@turf/distance": "^4.0.0",
+    "@turf/inside": "^4.0.0",
+    "@turf/helpers": "^4.0.0",
     "@turf/planepoint": "^3.14.0",
-    "@turf/square": "^3.14.2",
-    "@turf/tin": "^3.14.0"
+    "@turf/square": "^4.0.0",
+    "@turf/tin": "^4.0.0"
   }
 }
diff --git a/packages/turf-kinks/package.json b/packages/turf-kinks/package.json
index 94be98c15..fc24a012c 100644
--- a/packages/turf-kinks/package.json
+++ b/packages/turf-kinks/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/kinks",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf kinks module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -28,13 +28,13 @@
   },
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
-    "@turf/meta": "^3.14.0",
+    "@turf/meta": "^4.0.0",
     "benchmark": "^2.1.3",
     "load-json-file": "^2.0.0",
     "tape": "^3.5.0",
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-line-chunk/package.json b/packages/turf-line-chunk/package.json
index 1001d79ac..48c8a0e77 100644
--- a/packages/turf-line-chunk/package.json
+++ b/packages/turf-line-chunk/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/line-chunk",
-  "version": "3.14.2",
+  "version": "4.0.0",
   "description": "turf line-chunk module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -34,17 +34,17 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@turf/truncate": "^3.13.0",
+    "@turf/truncate": "^4.0.0",
     "benchmark": "^1.0.0",
     "load-json-file": "^2.0.0",
     "tape": "^2.1.1",
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/flatten": "^3.14.2",
-    "@turf/helpers": "^3.13.0",
-    "@turf/line-distance": "^3.14.2",
-    "@turf/line-slice-along": "^3.14.0",
-    "@turf/meta": "^3.14.0"
+    "@turf/flatten": "^4.0.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/line-distance": "^4.0.0",
+    "@turf/line-slice-along": "^4.0.0",
+    "@turf/meta": "^4.0.0"
   }
 }
diff --git a/packages/turf-line-distance/package.json b/packages/turf-line-distance/package.json
index 7ae695cda..4d3ad6a62 100644
--- a/packages/turf-line-distance/package.json
+++ b/packages/turf-line-distance/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/line-distance",
-  "version": "3.14.2",
+  "version": "4.0.0",
   "description": "turf line-distance module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -37,9 +37,9 @@
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/distance": "^3.14.0",
-    "@turf/flatten": "^3.14.2",
-    "@turf/helpers": "^3.13.0",
-    "@turf/meta": "^3.14.0"
+    "@turf/distance": "^4.0.0",
+    "@turf/flatten": "^4.0.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/meta": "^4.0.0"
   }
 }
diff --git a/packages/turf-line-intersect/package.json b/packages/turf-line-intersect/package.json
index 1e4e37f49..b5096873b 100644
--- a/packages/turf-line-intersect/package.json
+++ b/packages/turf-line-intersect/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/line-intersect",
-  "version": "3.14.3",
+  "version": "4.0.0",
   "description": "turf line-intersect module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -30,17 +30,17 @@
   },
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
-    "@turf/truncate": "^3.13.0",
+    "@turf/truncate": "^4.0.0",
     "benchmark": "^2.1.3",
     "load-json-file": "^2.0.0",
     "tape": "^3.5.0",
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/helpers": "^3.13.0",
-    "@turf/invariant": "^3.13.0",
-    "@turf/line-segment": "^3.14.3",
-    "@turf/meta": "^3.14.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/invariant": "^4.0.0",
+    "@turf/line-segment": "^4.0.0",
+    "@turf/meta": "^4.0.0",
     "geojson-rbush": "^1.0.1"
   }
 }
diff --git a/packages/turf-line-segment/package.json b/packages/turf-line-segment/package.json
index 8eca4015b..3e0ada418 100644
--- a/packages/turf-line-segment/package.json
+++ b/packages/turf-line-segment/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/line-segment",
-  "version": "3.14.3",
+  "version": "4.0.0",
   "description": "turf line-segment module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -34,9 +34,9 @@
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/flatten": "^3.14.2",
-    "@turf/helpers": "^3.13.0",
-    "@turf/invariant": "^3.13.0",
-    "@turf/meta": "^3.14.0"
+    "@turf/flatten": "^4.0.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/invariant": "^4.0.0",
+    "@turf/meta": "^4.0.0"
   }
 }
diff --git a/packages/turf-line-slice-along/package.json b/packages/turf-line-slice-along/package.json
index 2dd3d6604..a1eaceb08 100644
--- a/packages/turf-line-slice-along/package.json
+++ b/packages/turf-line-slice-along/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/line-slice-along",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf line-slice-along module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -28,7 +28,7 @@
   },
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
-    "@turf/along": "^3.14.0",
+    "@turf/along": "^4.0.0",
     "benchmark": "^1.0.0",
     "eslint": "^3.14.1",
     "eslint-config-mourner": "^2.0.1",
@@ -36,9 +36,9 @@
     "tape": "^3.5.0"
   },
   "dependencies": {
-    "@turf/bearing": "^3.14.0",
-    "@turf/destination": "^3.14.0",
-    "@turf/distance": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/bearing": "^4.0.0",
+    "@turf/destination": "^4.0.0",
+    "@turf/distance": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-line-slice/package.json b/packages/turf-line-slice/package.json
index e391a082c..b2c438ff1 100644
--- a/packages/turf-line-slice/package.json
+++ b/packages/turf-line-slice/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/line-slice",
-  "version": "3.14.2",
+  "version": "4.0.0",
   "description": "turf line-slice module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -32,8 +32,8 @@
   },
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
-    "@turf/helpers": "^3.13.0",
-    "@turf/truncate": "^3.13.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/truncate": "^4.0.0",
     "benchmark": "^1.0.0",
     "eslint": "^3.16.1",
     "eslint-config-mourner": "^2.0.1",
@@ -43,10 +43,10 @@
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/bearing": "^3.14.0",
-    "@turf/destination": "^3.14.0",
-    "@turf/distance": "^3.14.0",
-    "@turf/helpers": "^3.13.0",
-    "@turf/point-on-line": "^3.14.2"
+    "@turf/bearing": "^4.0.0",
+    "@turf/destination": "^4.0.0",
+    "@turf/distance": "^4.0.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/point-on-line": "^4.0.0"
   }
 }
diff --git a/packages/turf-line-split/package.json b/packages/turf-line-split/package.json
index 72949c196..d327184ec 100644
--- a/packages/turf-line-split/package.json
+++ b/packages/turf-line-split/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/line-split",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "description": "turf line-split module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -39,13 +39,13 @@
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/flatten": "^3.14.2",
-    "@turf/helpers": "^3.13.0",
-    "@turf/invariant": "^3.13.0",
-    "@turf/line-intersect": "^3.14.3",
-    "@turf/line-segment": "^3.14.3",
-    "@turf/meta": "^3.14.0",
-    "@turf/point-on-line": "^3.14.2",
+    "@turf/flatten": "^4.0.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/invariant": "^4.0.0",
+    "@turf/line-intersect": "^4.0.0",
+    "@turf/line-segment": "^4.0.0",
+    "@turf/meta": "^4.0.0",
+    "@turf/point-on-line": "^4.0.0",
     "geojson-rbush": "^1.0.1"
   }
 }
diff --git a/packages/turf-mask/package.json b/packages/turf-mask/package.json
index a2ebe88d7..eddf654c0 100644
--- a/packages/turf-mask/package.json
+++ b/packages/turf-mask/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/mask",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf mask module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -37,9 +37,9 @@
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/bbox": "^3.14.0",
-    "@turf/helpers": "^3.13.0",
-    "@turf/meta": "^3.14.0",
+    "@turf/bbox": "^4.0.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/meta": "^4.0.0",
     "@turf/union": "^3.14.0",
     "rbush": "^2.0.1"
   }
diff --git a/packages/turf-meta/package.json b/packages/turf-meta/package.json
index 885555926..2ac2d508b 100644
--- a/packages/turf-meta/package.json
+++ b/packages/turf-meta/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/meta",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf meta module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -28,7 +28,7 @@
     "url": "https://github.com/Turfjs/turf/issues"
   },
   "devDependencies": {
-    "@turf/helpers": "^3.13.0",
+    "@turf/helpers": "^4.0.0",
     "@turf/random": "^3.14.0",
     "benchmark": "^2.1.3",
     "eslint": "^3.14.1",
diff --git a/packages/turf-midpoint/package.json b/packages/turf-midpoint/package.json
index ca4b00a04..643d7fede 100644
--- a/packages/turf-midpoint/package.json
+++ b/packages/turf-midpoint/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/midpoint",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf midpoint module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -31,13 +31,13 @@
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
     "benchmark": "^1.0.0",
-    "@turf/helpers": "^3.13.0",
+    "@turf/helpers": "^4.0.0",
     "tape": "^3.5.0"
   },
   "dependencies": {
-    "@turf/bearing": "^3.14.0",
-    "@turf/destination": "^3.14.0",
-    "@turf/distance": "^3.14.0",
-    "@turf/invariant": "^3.13.0"
+    "@turf/bearing": "^4.0.0",
+    "@turf/destination": "^4.0.0",
+    "@turf/distance": "^4.0.0",
+    "@turf/invariant": "^4.0.0"
   }
 }
diff --git a/packages/turf-nearest/package.json b/packages/turf-nearest/package.json
index 10a0efeef..1edad04cf 100644
--- a/packages/turf-nearest/package.json
+++ b/packages/turf-nearest/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/nearest",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf nearest module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -33,6 +33,6 @@
     "tape": "^3.5.0"
   },
   "dependencies": {
-    "@turf/distance": "^3.14.0"
+    "@turf/distance": "^4.0.0"
   }
 }
diff --git a/packages/turf-point-grid/package.json b/packages/turf-point-grid/package.json
index 4beee026f..9c1cbcb01 100644
--- a/packages/turf-point-grid/package.json
+++ b/packages/turf-point-grid/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/point-grid",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf point-grid module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -29,15 +29,15 @@
   },
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
-    "@turf/meta": "^3.14.0",
+    "@turf/meta": "^4.0.0",
     "benchmark": "^2.1.3",
     "load-json-file": "^2.0.0",
     "tape": "^4.6.3",
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/bbox": "^3.14.0",
-    "@turf/distance": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/bbox": "^4.0.0",
+    "@turf/distance": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-point-on-line/package.json b/packages/turf-point-on-line/package.json
index 539c6d863..610ede879 100644
--- a/packages/turf-point-on-line/package.json
+++ b/packages/turf-point-on-line/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/point-on-line",
-  "version": "3.14.2",
+  "version": "4.0.0",
   "description": "turf point-on-line module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -25,15 +25,15 @@
   "devDependencies": {
     "benchmark": "^1.0.0",
     "tape": "^3.5.0",
-    "@turf/along": "^3.14.0",
-    "@turf/distance": "^3.14.0",
-    "@turf/helpers": "^3.13.0",
-    "@turf/line-distance": "^3.14.2"
+    "@turf/along": "^4.0.0",
+    "@turf/distance": "^4.0.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/line-distance": "^4.0.0"
   },
   "dependencies": {
-    "@turf/bearing": "^3.14.0",
-    "@turf/destination": "^3.14.0",
-    "@turf/distance": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/bearing": "^4.0.0",
+    "@turf/destination": "^4.0.0",
+    "@turf/distance": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-point-on-surface/package.json b/packages/turf-point-on-surface/package.json
index 4c28135e5..d1043b7a8 100644
--- a/packages/turf-point-on-surface/package.json
+++ b/packages/turf-point-on-surface/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/point-on-surface",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf point-on-surface module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -35,10 +35,10 @@
     "benchmark": "^1.0.0"
   },
   "dependencies": {
-    "@turf/center": "^3.14.0",
-    "@turf/distance": "^3.14.0",
-    "@turf/explode": "^3.14.0",
-    "@turf/inside": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/center": "^4.0.0",
+    "@turf/distance": "^4.0.0",
+    "@turf/explode": "^4.0.0",
+    "@turf/inside": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-sample/package.json b/packages/turf-sample/package.json
index f511ce818..185782e67 100644
--- a/packages/turf-sample/package.json
+++ b/packages/turf-sample/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/sample",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf sample module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -31,9 +31,9 @@
   "devDependencies": {
     "benchmark": "^1.0.0",
     "tape": "^3.5.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   },
   "dependencies": {
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-square-grid/package.json b/packages/turf-square-grid/package.json
index 4e7cc2ec0..515553285 100644
--- a/packages/turf-square-grid/package.json
+++ b/packages/turf-square-grid/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/square-grid",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf square-grid module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -30,15 +30,15 @@
   },
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
-    "@turf/bbox": "^3.14.0",
-    "@turf/meta": "^3.14.0",
+    "@turf/bbox": "^4.0.0",
+    "@turf/meta": "^4.0.0",
     "benchmark": "^2.1.3",
     "mkdirp": "^0.5.1",
     "tape": "^4.6.3",
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/distance": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/distance": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-square/package.json b/packages/turf-square/package.json
index 5ea516186..052e1dc0d 100644
--- a/packages/turf-square/package.json
+++ b/packages/turf-square/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/square",
-  "version": "3.14.2",
+  "version": "4.0.0",
   "description": "turf square module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -33,7 +33,7 @@
     "tape": "^3.5.0"
   },
   "dependencies": {
-    "@turf/distance": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/distance": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-tag/package.json b/packages/turf-tag/package.json
index 4ddc6babe..e171543d9 100644
--- a/packages/turf-tag/package.json
+++ b/packages/turf-tag/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/tag",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf tag module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -37,6 +37,6 @@
     "tape": "^3.5.0"
   },
   "dependencies": {
-    "@turf/inside": "^3.14.0"
+    "@turf/inside": "^4.0.0"
   }
 }
diff --git a/packages/turf-tesselate/package.json b/packages/turf-tesselate/package.json
index 6b889ab37..70bdc66d7 100644
--- a/packages/turf-tesselate/package.json
+++ b/packages/turf-tesselate/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/tesselate",
-  "version": "3.13.0",
+  "version": "4.0.0",
   "description": "turf tesselate module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -36,10 +36,10 @@
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
     "tape": "^4.0.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   },
   "dependencies": {
     "earcut": "^2.0.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-tin/package.json b/packages/turf-tin/package.json
index 6e52793d8..90cf91095 100644
--- a/packages/turf-tin/package.json
+++ b/packages/turf-tin/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/tin",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf tin module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -32,6 +32,6 @@
     "tape": "^3.5.0"
   },
   "dependencies": {
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-triangle-grid/package.json b/packages/turf-triangle-grid/package.json
index ea9572dcb..f929f78ef 100644
--- a/packages/turf-triangle-grid/package.json
+++ b/packages/turf-triangle-grid/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/triangle-grid",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf triangle-grid module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -33,10 +33,10 @@
   "devDependencies": {
     "benchmark": "^1.0.0",
     "tape": "^3.5.0",
-    "@turf/bbox-polygon": "^3.14.0"
+    "@turf/bbox-polygon": "^4.0.0"
   },
   "dependencies": {
-    "@turf/distance": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/distance": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf-truncate/package.json b/packages/turf-truncate/package.json
index d2269c684..e97c762e6 100644
--- a/packages/turf-truncate/package.json
+++ b/packages/turf-truncate/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/truncate",
-  "version": "3.13.0",
+  "version": "4.0.0",
   "description": "turf truncate module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -29,7 +29,7 @@
   },
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
-    "@turf/helpers": "^3.13.0",
+    "@turf/helpers": "^4.0.0",
     "benchmark": "^1.0.0",
     "load-json-file": "^2.0.0",
     "tape": "^3.5.0",
diff --git a/packages/turf-unkink-polygon/package.json b/packages/turf-unkink-polygon/package.json
index 52e4d45bb..f6272d0c6 100644
--- a/packages/turf-unkink-polygon/package.json
+++ b/packages/turf-unkink-polygon/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/unkink-polygon",
-  "version": "3.14.2",
+  "version": "4.0.0",
   "description": "turf unkink-polygon module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -38,11 +38,11 @@
     "write-json-file": "^2.0.0"
   },
   "dependencies": {
-    "@turf/area": "^3.14.0",
-    "@turf/flatten": "^3.14.2",
-    "@turf/helpers": "^3.13.0",
-    "@turf/meta": "^3.14.0",
-    "@turf/within": "^3.14.0",
+    "@turf/area": "^4.0.0",
+    "@turf/flatten": "^4.0.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/meta": "^4.0.0",
+    "@turf/within": "^4.0.0",
     "geojson-polygon-self-intersections": "^1.1.1",
     "rbush": "^2.0.1",
     "simplepolygon": "^1.1.3"
diff --git a/packages/turf-within/package.json b/packages/turf-within/package.json
index addf317b6..bae5a5cb7 100644
--- a/packages/turf-within/package.json
+++ b/packages/turf-within/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/within",
-  "version": "3.14.0",
+  "version": "4.0.0",
   "description": "turf within module",
   "main": "index.js",
   "types": "index.d.ts",
@@ -32,10 +32,10 @@
   "devDependencies": {
     "benchmark": "^1.0.0",
     "tape": "^3.5.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/helpers": "^4.0.0"
   },
   "dependencies": {
-    "@turf/inside": "^3.14.0",
-    "@turf/helpers": "^3.13.0"
+    "@turf/inside": "^4.0.0",
+    "@turf/helpers": "^4.0.0"
   }
 }
diff --git a/packages/turf/package.json b/packages/turf/package.json
index 1fcc07506..591110b1b 100644
--- a/packages/turf/package.json
+++ b/packages/turf/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@turf/turf",
-  "version": "3.14.3",
+  "version": "4.0.0",
   "description": "a JavaScript library for performing geospatial operations with GeoJSON",
   "main": "index.js",
   "types": "index.d.ts",
@@ -54,66 +54,66 @@
     "url": "https://github.com/Turfjs/turf/issues"
   },
   "dependencies": {
-    "@turf/along": "^3.14.0",
-    "@turf/area": "^3.14.0",
-    "@turf/bbox": "^3.14.0",
-    "@turf/bbox-polygon": "^3.14.0",
-    "@turf/bearing": "^3.14.0",
-    "@turf/bezier": "^3.14.0",
-    "@turf/buffer": "^3.14.0",
-    "@turf/center": "^3.14.0",
-    "@turf/center-of-mass": "^3.14.0",
-    "@turf/centroid": "^3.14.0",
-    "@turf/circle": "^3.14.0",
-    "@turf/collect": "^3.14.0",
-    "@turf/combine": "^3.14.0",
-    "@turf/concave": "^3.14.0",
-    "@turf/convex": "^3.14.0",
-    "@turf/destination": "^3.14.0",
-    "@turf/difference": "^3.13.0",
-    "@turf/dissolve": "^3.14.0",
-    "@turf/distance": "^3.14.0",
-    "@turf/envelope": "^3.14.0",
-    "@turf/explode": "^3.14.0",
-    "@turf/flatten": "^3.14.2",
-    "@turf/flip": "^3.14.0",
-    "@turf/great-circle": "^3.13.2",
-    "@turf/helpers": "^3.13.0",
-    "@turf/hex-grid": "^3.14.0",
-    "@turf/idw": "^3.14.0",
-    "@turf/inside": "^3.14.0",
+    "@turf/along": "^4.0.0",
+    "@turf/area": "^4.0.0",
+    "@turf/bbox": "^4.0.0",
+    "@turf/bbox-polygon": "^4.0.0",
+    "@turf/bearing": "^4.0.0",
+    "@turf/bezier": "^4.0.0",
+    "@turf/buffer": "^4.0.0",
+    "@turf/center": "^4.0.0",
+    "@turf/center-of-mass": "^4.0.0",
+    "@turf/centroid": "^4.0.0",
+    "@turf/circle": "^4.0.0",
+    "@turf/collect": "^4.0.0",
+    "@turf/combine": "^4.0.0",
+    "@turf/concave": "^4.0.0",
+    "@turf/convex": "^4.0.0",
+    "@turf/destination": "^4.0.0",
+    "@turf/difference": "^4.0.0",
+    "@turf/dissolve": "^4.0.0",
+    "@turf/distance": "^4.0.0",
+    "@turf/envelope": "^4.0.0",
+    "@turf/explode": "^4.0.0",
+    "@turf/flatten": "^4.0.0",
+    "@turf/flip": "^4.0.0",
+    "@turf/great-circle": "^4.0.0",
+    "@turf/helpers": "^4.0.0",
+    "@turf/hex-grid": "^4.0.0",
+    "@turf/idw": "^4.0.0",
+    "@turf/inside": "^4.0.0",
     "@turf/intersect": "^3.14.0",
-    "@turf/invariant": "^3.13.0",
-    "@turf/isolines": "^3.14.2",
-    "@turf/kinks": "^3.14.0",
-    "@turf/line-chunk": "^3.14.2",
-    "@turf/line-distance": "^3.14.2",
-    "@turf/line-intersect": "^3.14.3",
-    "@turf/line-segment": "^3.14.3",
-    "@turf/line-slice": "^3.14.2",
-    "@turf/line-slice-along": "^3.14.0",
-    "@turf/line-split": "^3.0.0",
-    "@turf/mask": "^3.14.0",
-    "@turf/meta": "^3.14.0",
-    "@turf/midpoint": "^3.14.0",
-    "@turf/nearest": "^3.14.0",
+    "@turf/invariant": "^4.0.0",
+    "@turf/isolines": "^4.0.0",
+    "@turf/kinks": "^4.0.0",
+    "@turf/line-chunk": "^4.0.0",
+    "@turf/line-distance": "^4.0.0",
+    "@turf/line-intersect": "^4.0.0",
+    "@turf/line-segment": "^4.0.0",
+    "@turf/line-slice": "^4.0.0",
+    "@turf/line-slice-along": "^4.0.0",
+    "@turf/line-split": "^4.0.0",
+    "@turf/mask": "^4.0.0",
+    "@turf/meta": "^4.0.0",
+    "@turf/midpoint": "^4.0.0",
+    "@turf/nearest": "^4.0.0",
     "@turf/planepoint": "^3.14.0",
-    "@turf/point-grid": "^3.14.0",
-    "@turf/point-on-line": "^3.14.2",
-    "@turf/point-on-surface": "^3.14.0",
+    "@turf/point-grid": "^4.0.0",
+    "@turf/point-on-line": "^4.0.0",
+    "@turf/point-on-surface": "^4.0.0",
     "@turf/random": "^3.14.0",
-    "@turf/sample": "^3.14.0",
+    "@turf/sample": "^4.0.0",
     "@turf/simplify": "^3.14.0",
-    "@turf/square": "^3.14.2",
-    "@turf/square-grid": "^3.14.0",
-    "@turf/tag": "^3.14.0",
-    "@turf/tesselate": "^3.13.0",
-    "@turf/tin": "^3.14.0",
-    "@turf/triangle-grid": "^3.14.0",
-    "@turf/truncate": "^3.13.0",
+    "@turf/square": "^4.0.0",
+    "@turf/square-grid": "^4.0.0",
+    "@turf/tag": "^4.0.0",
+    "@turf/tesselate": "^4.0.0",
+    "@turf/tin": "^4.0.0",
+    "@turf/triangle-grid": "^4.0.0",
+    "@turf/truncate": "^4.0.0",
     "@turf/union": "^3.14.0",
-    "@turf/unkink-polygon": "^3.14.2",
-    "@turf/within": "^3.14.0"
+    "@turf/unkink-polygon": "^4.0.0",
+    "@turf/within": "^4.0.0"
   },
   "devDependencies": {
     "browserify": "~9.0.3",