diff --git a/appengine/datastore/package.json b/appengine/datastore/package.json
index f981ba6753..08b49e812e 100644
--- a/appengine/datastore/package.json
+++ b/appengine/datastore/package.json
@@ -18,7 +18,7 @@
     "test": "npm run system-test"
   },
   "dependencies": {
-    "@google-cloud/datastore": "^3.0.0",
+    "@google-cloud/datastore": "^4.0.0",
     "express": "^4.16.4"
   },
   "devDependencies": {