diff --git a/package.json b/package.json
index 0cd2c5ba..ef37b7b2 100644
--- a/package.json
+++ b/package.json
@@ -24,12 +24,12 @@
     "pg-connection-string": "0.1.3",
     "pg-types": "1.6.0",
     "pgpass": "0.0.3",
-    "semver": "^4.1.0",
-    "pg-copy-streams": "~0.3.0"
+    "semver": "^4.1.0"
   },
   "devDependencies": {
     "async": "0.9.0",
-    "jshint": "2.5.2"
+    "jshint": "2.5.2",
+    "pg-copy-streams": "0.3.0"
   },
   "minNativeVersion": "1.7.0",
   "scripts": {