diff --git a/package.json b/package.json
index 892de15..12b052a 100644
--- a/package.json
+++ b/package.json
@@ -42,6 +42,7 @@
     "mkdirp": "0.5.1",
     "mocha": "2.4.5",
     "preact": "4.8.0",
+    "react-dev-server": "0.6.2",
     "reify": "0.3.6",
     "rollup": "0.34.1",
     "rollup-plugin-buble": "0.12.1",