diff --git a/libs/aws/tests/unit_tests/llms/test_bedrock.py b/libs/aws/tests/unit_tests/llms/test_bedrock.py
index 62760efe..955fc51f 100644
--- a/libs/aws/tests/unit_tests/llms/test_bedrock.py
+++ b/libs/aws/tests/unit_tests/llms/test_bedrock.py
@@ -297,6 +297,7 @@ async def test_bedrock_async_streaming_call() -> None:
                 client=None,
                 model_id="anthropic.claude-v2",
                 streaming=True,
+                region_name="us-west-2",
             )
             # Call the _astream method
             chunks = [