diff --git a/package.json b/package.json
index 79cde11..380c955 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,7 @@
     "react-notification-system": "^0.2.13",
     "react-rnd": "^5.0.9",
     "react-router": "^4.1.2",
+    "react-router-dom": "^4.1.2",
     "react-sortable-tree": "^0.1.19",
     "superagent": "^3.5.0"
   },