diff --git a/tests/test_hsm_hotwallet.py b/tests/test_hsm_hotwallet.py
index 0e146a3d..67dfb133 100644
--- a/tests/test_hsm_hotwallet.py
+++ b/tests/test_hsm_hotwallet.py
@@ -29,7 +29,7 @@
 
 
 # Skip tests if required env vars are not set
-pytestmark = pytest.mark.skipif(not all([os.environ.get("GOOGLE_CLOUD_PROJECT"), os.environ.get("GOOGLE_CLOUD_REGION"), os.environ.get("KEY_RING"), os.environ.get("KEY_NAME"), shutil.which("anvil")]), reason="Set Google Cloud env vars, and install anvil to run these tests")
+pytestmark = pytest.mark.skipif(not all([os.environ.get("GOOGLE_CLOUD_PROJECT"), os.environ.get("GOOGLE_CLOUD_REGION"), os.environ.get("KEY_RING"), os.environ.get("KEY_NAME"), os.environ.get("GCP_ADC_CREDENTIALS_STRING"), shutil.which("anvil")]), reason="Set Google Cloud env vars, and install anvil to run these tests")
 
 # Set up logging
 logger = logging.getLogger(__name__)