diff --git a/package.json b/package.json
index eb923e0..4682b49 100644
--- a/package.json
+++ b/package.json
@@ -22,10 +22,10 @@
     "node": "~4.1.1"
   },
   "dependencies": {
-    "underscore": "~1.8.3",
-    "express": "~4.13.3",
-    "mustache": "~2.1.3",
-    "socket.io": "~1.3.7"
+    "underscore": "~1.12.1",
+    "express": "~4.16.0",
+    "mustache": "~2.2.1",
+    "socket.io": "~3.0.0"
   },
   "devDependencies": {
     "grunt-contrib-qunit": "~0.7.0",