diff --git a/snapshotter/snapshotter_id_ping.py b/snapshotter/snapshotter_id_ping.py
index 079afdf..4afcd6c 100644
--- a/snapshotter/snapshotter_id_ping.py
+++ b/snapshotter/snapshotter_id_ping.py
@@ -23,7 +23,7 @@ async def main():
     anchor_rpc = RpcHelper(settings.anchor_chain_rpc)
     protocol_abi = read_json_file(settings.protocol_state.abi)
     protocol_state_contract = anchor_rpc.get_current_node()['web3_client'].eth.contract(
-        address=Web3.toChecksumAddress(
+        address=Web3.to_checksum_address(
             settings.protocol_state.address,
         ),
         abi=protocol_abi,