Update package.json

Author: rzcoder

package.json

@@ -30,12 +30,12 @@
   },
   "homepage": "https://github.com/rzcoder/node-rsa",
   "devDependencies": {
-    "chai": "^3.5.0",
-    "grunt": "^1.0.1",
-    "grunt-contrib-jshint": "^1.0.0",
-    "grunt-simple-mocha": "^0.4.1",
-    "jit-grunt": "^0.10.0",
-    "lodash": "^4.13.1"
+    "chai": "3.5.0",
+    "grunt": "1.0.1",
+    "grunt-contrib-jshint": "1.0.0",
+    "grunt-simple-mocha": "0.4.1",
+    "jit-grunt": "0.10.0",
+    "lodash": "4.13.1"
   },
   "dependencies": {
     "asn1": "0.2.3"