diff --git a/requirements.txt b/requirements.txt
index 5e54c4e..ab122f8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ click==7.1.2
 Flask==1.1.2
 gcloud==0.18.3
 googleapis-common-protos==1.52.0
-httplib2==0.18.1
+httplib2==0.14.0
 itsdangerous==1.1.0
 Jinja2==2.11.2
 MarkupSafe==1.1.1