diff --git a/package.json b/package.json
index bfed9b281b..9e87c88e57 100644
--- a/package.json
+++ b/package.json
@@ -42,10 +42,10 @@
     "fs-readdir-recursive": "0.0.2",
     "lodash": "2.4.1",
     "mkdirp": "0.5.0",
-    "es6-shim": "^0.18.0",
-    "es6-symbol": "^0.1.1",
-    "regexpu": "^0.2.2",
-    "recast": "^0.8.0"
+    "es6-shim": "0.18.0",
+    "es6-symbol": "0.1.1",
+    "regexpu": "0.2.2",
+    "recast": "0.8.0"
   },
   "devDependencies": {
     "es6-transpiler": "0.7.17",
@@ -55,10 +55,10 @@
     "traceur": "0.0.66",
     "esnext": "0.11.1",
     "es6now": "0.8.11",
-    "jstransform": "^6.3.2",
-    "uglify-js": "^2.4.15",
-    "browserify": "^6.0.3",
-    "proclaim": "^2.0.0",
-    "source-map": "^0.1.40"
+    "jstransform": "6.3.2",
+    "uglify-js": "2.4.15",
+    "browserify": "6.0.3",
+    "proclaim": "2.0.0",
+    "source-map": "0.1.40"
   }
 }