diff --git a/package.json b/package.json
index 82dbf14..431eecf 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "typescript": "^4.3.2"
   },
   "dependencies": {
-    "@polkadot/api": "^6.4.2",
+    "@polkadot/api": "^9.13.6",
     "@polkadot/types": "^6.4.2",
     "@polkadot/util": "^6.6.1",
     "commander": "^8.3.0"