diff --git a/package.json b/package.json
index fab5049..f104159 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "grunt-contrib-jshint": "0.11.0"
   },
   "dependencies": {
-    "lodash": "3.3.0",
-    "asn1": "0.2.2"
+    "asn1": "^0.2.3",
+    "lodash": "3.3.0"
   }
 }