diff --git a/package.json b/package.json
index 4c556f6..321c200 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   "homepage": "https://github.com/hdavidzhu/derby-tutorial#readme",
   "dependencies": {
     "browserify": "^16.2.3",
-    "derby": "^0.10.8",
+    "derby": "^4.2.3",
     "derby-debug": "^0.1.0",
     "derby-starter": "^0.4.7",
     "express": "^4.16.4",