diff --git a/lambda_hook/tests/test_lambda.py b/lambda_hook/tests/test_lambda.py
index 5645076..13336e6 100644
--- a/lambda_hook/tests/test_lambda.py
+++ b/lambda_hook/tests/test_lambda.py
@@ -121,7 +121,7 @@ def test_upload_lambda_functions(self):
 
                 # 2nd call should recognize the file has already been uploaded and should not call put_object again
                 self.stubber.add_response("head_bucket", {})
-                self.stubber.add_response("head_object", { "ETag": '"f4acd55a9e25a6c7a789ddbe52bc7521"' })
+                self.stubber.add_response("head_object", { "ETag": '"b9b90449fe17ded2c9424367f0fd147e"' })
                 with self.stubber:
                     aws_lambda.upload_lambda_functions(self.s3, BUCKET_NAME, "things", tmp_dir.path)
                     self.stubber.assert_no_pending_responses()