diff --git a/package.json b/package.json
index 19020cb0..a2a8535f 100644
--- a/package.json
+++ b/package.json
@@ -59,5 +59,9 @@
     "simple-git": "^2.4.0",
     "watchify": "^3.9.0",
     "webrtc-adapter": "^6.4.8"
+  },
+  "dependencies": {
+    "events": "^3.2.0",
+    "util": "^0.12.3"
   }
 }