diff --git a/package.json b/package.json
index 1348420b551d9a107fffcd048308aaf610418dc1..b8171efd8e5106a8fb789aedc11a352187fa35d0 100755
--- a/package.json
+++ b/package.json
@@ -56,6 +56,7 @@
     "axios": "^0.15.3",
     "babel-core": "^6.24.0",
     "babel-preset-react": "^6.16.0",
+    "object-assign": "^4.1.1",
     "react": "^15.4.2",
     "react-addons-test-utils": "^15.4.2",
     "react-dom": "^15.4.2",