diff --git a/package.json b/package.json
index 611dc55..87eb449 100644
--- a/package.json
+++ b/package.json
@@ -30,39 +30,39 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "chai": "^3.5.0",
-    "grunt": "~0.4.0",
-    "grunt-cli": "^1.1.0",
-    "grunt-contrib-jshint": "^1.0.0",
-    "grunt-contrib-watch": "^1.0.0",
-    "grunt-coveralls": "^1.0.0",
-    "grunt-istanbul": "^0.7.0",
-    "grunt-jscs": "^2.8.0",
-    "grunt-mocha-istanbul": "^3.0.1",
-    "grunt-mocha-test": "^0.12.7",
-    "grunt-open": "^0.2.3",
-    "load-grunt-tasks": "^3.4.1",
-    "lodash": "~1.3.1",
-    "mocha": "^2.4.5",
-    "mocha-lcov-reporter": "^1.2.0",
-    "nock": "^7.7.3",
-    "node-slack-upload": "^1.1.0",
-    "sinon": "^1.17.3",
-    "sinon-chai": "^2.8.0"
+    "chai": "3.5.0",
+    "grunt": "0.4.5",
+    "grunt-cli": "1.2.0",
+    "grunt-contrib-jshint": "1.1.0",
+    "grunt-contrib-watch": "1.0.0",
+    "grunt-coveralls": "1.0.1",
+    "grunt-istanbul": "0.7.2",
+    "grunt-jscs": "2.8.0",
+    "grunt-mocha-istanbul": "3.0.1",
+    "grunt-mocha-test": "0.12.7",
+    "grunt-open": "0.2.3",
+    "load-grunt-tasks": "3.5.2",
+    "lodash": "1.3.1",
+    "mocha": "2.5.3",
+    "mocha-lcov-reporter": "1.3.0",
+    "nock": "7.7.3",
+    "node-slack-upload": "1.2.1",
+    "sinon": "1.17.7",
+    "sinon-chai": "2.14.0"
   },
   "contributors": [
     "Eugenio Romano <> (http://eromano.github.io/)"
   ],
   "dependencies": {
-    "botbuilder": "^0.9.2",
-    "coveralls": "^2.11.9",
-    "github": "^0.2.4",
-    "gpio": "^0.2.7",
-    "moment": "^2.12.0",
-    "nconf": "^0.8.4",
-    "restify": "^4.0.4",
-    "slackbots": "^0.5.1",
-    "travis-ci": "^2.1.0",
-    "travisci-webhook-handler": "^1.0.2"
+    "botbuilder": "0.9.2",
+    "coveralls": "2.13.3",
+    "github": "0.2.4",
+    "gpio": "0.2.7",
+    "moment": "2.20.1",
+    "nconf": "0.8.5",
+    "restify": "4.3.2",
+    "slackbots": "0.5.3",
+    "travis-ci": "2.1.1",
+    "travisci-webhook-handler": "1.0.2"
   }
 }