diff --git a/package.json b/package.json
index c2a1caa..c05fd4a 100644
--- a/package.json
+++ b/package.json
@@ -17,8 +17,8 @@
   "author": "SoundCloud Ltd.",
   "license": "MIT",
   "devDependencies": {
-    "babel-core": "^5.6.15",
-    "babel-loader": "^5.3.0",
+    "babel-core": "^6.10.4",
+    "babel-loader": "^6.0.0",
     "chai": "^3.2.0",
     "eslint": "^1.0.0-rc-1",
     "karma": "^0.13.3",
@@ -28,7 +28,7 @@
     "karma-mocha": "^0.2.0",
     "karma-safari-launcher": "^0.1.1",
     "karma-sinon": "^1.0.4",
-    "mocha": "^2.2.5",
+    "mocha": "^3.0.0",
     "node-libs-browser": "^0.5.2",
     "sinon": "^1.15.4",
     "webpack": "^1.10.1",