diff --git a/package.json b/package.json
index a3be224..a303a05 100644
--- a/package.json
+++ b/package.json
@@ -19,15 +19,15 @@
     "assert": "*",
     "bluebird": "*",
     "optimist": "*",
-    "express": "~4.0.0",
+    "express": "~4.4.4",
     "express-session": "*",
     "express-http-proxy": "*",
     "passport": ">= 0.0.0",
-    "socket.io": "1.7.4",
+    "socket.io": "2.0.0",
     "deasync": "*",
     "data.io": "*",
     "tingodb": "0.3.5",
-    "pouchdb": "3.1.0",
+    "pouchdb": "6.3.0",
     "swagger-tools": "*",
     "body-parser": "*",
     "chai": "*",
@@ -46,8 +46,8 @@
     "mathjs": "*",
     "microtime": "^2.1.2",
     "mocha": "*",
-    "mosca": "1.1.0",
-    "mqtt": "^1.14.1",
+    "mosca": "2.0.0",
+    "mqtt": "^4.2.7",
     "multer": "0.1.6",
     "node-uuid": "*",
     "numeric": "*",