diff --git a/packages/react-addons/package.json b/packages/react-addons/package.json
index b5744d100d..b82668cc28 100644
--- a/packages/react-addons/package.json
+++ b/packages/react-addons/package.json
@@ -8,7 +8,10 @@
     "react-addon"
   ],
   "license": "BSD-3-Clause",
-  "dependencies": {},
+  "dependencies": {
+    "fbjs": "^0.8.4",
+    "object-assign": "^4.1.0"
+  },
   "peerDependencies": {
     "react": "^15.4.1"
   },
diff --git a/packages/react-test-renderer/package.json b/packages/react-test-renderer/package.json
index 218dc8df85..de4ae74d07 100644
--- a/packages/react-test-renderer/package.json
+++ b/packages/react-test-renderer/package.json
@@ -14,6 +14,10 @@
     "url": "https://github.com/facebook/react/issues"
   },
   "homepage": "https://facebook.github.io/react/",
+  "dependencies": {
+    "fbjs": "^0.8.4",
+    "object-assign": "^4.1.0"
+  },
   "peerDependencies": {
     "react": "^15.4.1"
   },