diff --git a/requirements.txt b/requirements.txt
index 9aed8f1..f6c77b6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ google-auth-oauthlib==0.4.1
 googleapis-common-protos==1.51.0
 gspread==3.5.0
 gunicorn==20.0.4
-httplib2==0.17.3
+httplib2==0.19.0
 idna==2.9
 ipython==7.0.1
 ipython-genutils==0.2.0