diff --git a/tests/integration/durable_integ_base.py b/tests/integration/durable_integ_base.py
index 99f6abe2f9..fb4aa7aa9e 100644
--- a/tests/integration/durable_integ_base.py
+++ b/tests/integration/durable_integ_base.py
@@ -152,7 +152,7 @@ def assert_invoke_output(
 
         self.assertIn("Execution Summary:", stdout_str, f"Expected execution summary in output: {stdout_str}")
 
-        arn_match = re.search(r"ARN:\s+([a-f0-9-]+)", stdout_str)
+        arn_match = re.search(r"ARN:\s+(\S+)", stdout_str)
         self.assertIsNotNone(arn_match, f"Could not find ARN in output: {stdout_str}")
         execution_arn = arn_match.group(1) if arn_match else ""