diff --git a/package.json b/package.json
index c27ecb0..dd3d680 100644
--- a/package.json
+++ b/package.json
@@ -45,8 +45,8 @@
     "David Halls <dave@davedoesdev.com>"
   ],
   "devDependencies": {
-    "mocha": "^1.21.5",
-    "chai": "^1.9.1",
+    "mocha": "^2.0.0",
+    "chai": "^1.10.0",
     "sinon": "^1.10.3",
     "sinon-chai": "^2.6.0",
     "optimist": "~0.6.0",
@@ -67,7 +67,7 @@
   "optionalDependencies": {
     "redis": "~0.12.1",
     "hiredis": "~0.1.17",
-    "zmq": "~2.6.0",
+    "zmq": "~2.8.0",
     "amqp": "~0.2.0",
     "mqtt": "~0.3.11",
     "mongodb": "~1.4.8",