diff --git a/package.json b/package.json
index 555c8dd0..dfa67ded 100644
--- a/package.json
+++ b/package.json
@@ -67,6 +67,7 @@
     "jsdom": "^9.11.0",
     "mocha": "^3.2.0",
     "mocha-webpack": "^0.7.0",
+    "react-addons-test-utils": "^15.5.1",
     "sinon": "^2.2.0"
   },
   "optionalDependencies": {