diff --git a/package.json b/package.json
index 82dbf14..70af545 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   },
   "dependencies": {
     "@polkadot/api": "^6.4.2",
-    "@polkadot/types": "^6.4.2",
+    "@polkadot/types": "^10.0.1",
     "@polkadot/util": "^6.6.1",
     "commander": "^8.3.0"
   }