diff --git a/third_party/amp-toolbox-cache-url/package.json b/third_party/amp-toolbox-cache-url/package.json
index fbb4ed271ddd..80877df62ddb 100644
--- a/third_party/amp-toolbox-cache-url/package.json
+++ b/third_party/amp-toolbox-cache-url/package.json
@@ -47,7 +47,7 @@
     "rollup-plugin-json": "4.0.0",
     "rollup-plugin-node-builtins": "2.1.2",
     "@rollup/plugin-node-resolve": "15.2.3",
-    "rollup-plugin-serve": "2.0.2",
+    "rollup-plugin-serve": "3.0.0",
     "semver": "7.5.4"
   }
 }