diff --git a/package.json b/package.json
index f2be2e0..6036135 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,8 @@
     "useTabs": true
   },
   "jest": {
-    "testEnvironment": "node"
+    "testEnvironment": "node",
+    "testURL": "http://localhost"
   },
   "keywords": [
     "bundle",
@@ -70,7 +71,7 @@
     "sade": "^1.4.0",
     "tiny-glob": "^0.2.0",
     "tslib": "^1.9.0",
-    "typescript": "^2.8.3"
+    "typescript": ">=2.8.3"
   },
   "devDependencies": {
     "babel-cli": "^6.26.0",
@@ -88,8 +89,5 @@
     "rimraf": "^2.6.2",
     "shell-quote": "^1.6.1",
     "strip-ansi": "^4.0.0"
-  },
-  "jest": {
-    "testURL": "http://localhost"
   }
 }