diff --git a/packages/zilliqa-js-subscriptions/package.json b/packages/zilliqa-js-subscriptions/package.json
index f810150d..48b4a3d7 100644
--- a/packages/zilliqa-js-subscriptions/package.json
+++ b/packages/zilliqa-js-subscriptions/package.json
@@ -26,7 +26,7 @@
   },
   "homepage": "https://github.com/Zilliqa/Zilliqa-Javascript-Library#readme",
   "dependencies": {
-    "@zilliqa-js/core": "0.10.1",
+    "@zilliqa-js/core": "3.1.0",
     "mock-socket": "^9.0.2",
     "websocket": "^1.0.28"
   }