diff --git a/mmv1/third_party/terraform/services/appengine/test-fixtures/hello-world-flask/requirements.txt b/mmv1/third_party/terraform/services/appengine/test-fixtures/hello-world-flask/requirements.txt
index e050dbdcfe27..f358d0ad8e44 100644
--- a/mmv1/third_party/terraform/services/appengine/test-fixtures/hello-world-flask/requirements.txt
+++ b/mmv1/third_party/terraform/services/appengine/test-fixtures/hello-world-flask/requirements.txt
@@ -1,2 +1,2 @@
 Flask==1.1.1
-gunicorn==22.0.0
\ No newline at end of file
+gunicorn==20.0.4
\ No newline at end of file