diff --git a/appengine/storage/flexible/package.json b/appengine/storage/flexible/package.json
index 30639d6c47..4b7232a297 100644
--- a/appengine/storage/flexible/package.json
+++ b/appengine/storage/flexible/package.json
@@ -9,7 +9,7 @@
     "node": ">=8.0.0"
   },
   "dependencies": {
-    "@google-cloud/storage": "^2.3.3",
+    "@google-cloud/storage": "^3.0.0",
     "body-parser": "^1.18.3",
     "express": "^4.16.4",
     "multer": "^1.4.1",