diff --git a/package.json b/package.json
index 312193cf..5a578c53 100644
--- a/package.json
+++ b/package.json
@@ -44,6 +44,7 @@
     "css-loader": "^0.23.1",
     "eslint": "^3.5.0",
     "eslint-plugin-react": "^5.1.1",
+    "expect": "^1.20.2",
     "exports-loader": "^0.6.3",
     "file-loader": "^0.8.5",
     "immutable": "^3.7.6",