diff --git a/package.json b/package.json
index add9c5d0..37f98b43 100644
--- a/package.json
+++ b/package.json
@@ -36,9 +36,9 @@
     "grunt-contrib-connect": "~0.6.0",
     "grunt-contrib-copy": "~0.4.1",
     "grunt-browserify": "~1.2.11",
-    "grunt-contrib-uglify": "*",
-    "grunt-text-replace": "*",
-    "grunt-jsbeautifier": "*",
+    "grunt-contrib-uglify": "~0.3.2",
+    "grunt-text-replace": "~0.3.11",
+    "grunt-jsbeautifier": "~0.2.6",
     "grunt-contrib-jshint": "*",
     "grunt-jsdoc": "*",
     "grunt-mocha-test": "~0.8.1",