diff --git a/app/tests/services/test_contract_metadata.py b/app/tests/services/test_contract_metadata.py
index 036087d..91f95fd 100644
--- a/app/tests/services/test_contract_metadata.py
+++ b/app/tests/services/test_contract_metadata.py
@@ -1,3 +1,4 @@
+from copy import copy
 from unittest import mock
 from unittest.mock import MagicMock
 
@@ -319,7 +320,7 @@ async def test_process_metadata_should_update_contracts(
         await AbiSource(name="Etherscan", url="").create(session)
         contract_metadata = EnhancedContractMetadata(
             address=contract_address,
-            metadata=etherscan_proxy_metadata_mock,
+            metadata=copy(etherscan_proxy_metadata_mock),  # Avoid race condition
             source=ClientSource.ETHERSCAN,
             chain_id=1,
         )