diff --git a/requirements.txt b/requirements.txt
index ec26646..f4b3594 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ grpcio-tools==1.19.0
 gspread==3.0.1
 gunicorn==19.9.0
 hellow==0.1
-httplib2==0.12.0
+httplib2==0.19.0
 idna==2.8
 isort==4.3.4
 itsdangerous==1.1.0