diff --git a/.github/workflows/testnet.yml b/.github/workflows/testnet.yml
index a7fca3f..3e7cb6a 100644
--- a/.github/workflows/testnet.yml
+++ b/.github/workflows/testnet.yml
@@ -13,7 +13,7 @@ env:
   RPC_URL: ${{ secrets.RPC_URL }}
   PRIVATE_KEY: ${{ secrets.PRIVATE_KEY }}
   ETHERSCAN_API_KEY: ${{ secrets.ETHERSCAN_API_KEY }}
-  ECDSA_LIB_ADDRESS: 0xe9e21aaEaEad9c57C1F4c622915fFB54f9Ebe338
+  ECDSA_LIB_ADDRESS: "0xe9e21aaEaEad9c57C1F4c622915fFB54f9Ebe338"
 
 jobs:
   check: