diff --git a/Polkadot/Polkadot-starter/package.json b/Polkadot/Polkadot-starter/package.json
index 1f669ff..e17efbe 100644
--- a/Polkadot/Polkadot-starter/package.json
+++ b/Polkadot/Polkadot-starter/package.json
@@ -21,7 +21,7 @@
   "author": "SubQuery Team",
   "license": "MIT",
   "devDependencies": {
-    "@polkadot/api": "^10",
+    "@polkadot/api": "^11",
     "@subql/cli": "latest",
     "@subql/testing": "latest",
     "@subql/types": "latest",