diff --git a/config.js b/config.js
index 7cb6ca6..2e59f9d 100644
--- a/config.js
+++ b/config.js
@@ -47,7 +47,7 @@ const ARB_POLLING_ADDRESS = '0x4f4e551b4920a5417F8d4e7f8f099660dAdadcEC';
 
 // arbitrum testnet (sepolia)
 const ARB_TESTNET_POLLING_ADDRESS =
-  '0xceaB5Bb248A9237128943BbC9d38fd02A4440B10';
+  '0x849637EabC4b87363717fb3bD7457358F64F925C';
 
 const CHAIN_HOST_L1 = process.env.VL_CHAIN_HOST;
 const CHAIN_HOST_L2 = process.env.VL_CHAIN_HOST_L2;