diff --git a/requirements.txt b/requirements.txt
index 3ce5756..f386843 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ google-auth-httplib2==0.0.3
 google-auth-oauthlib==0.4.1
 google-oauth==1.0.1
 gunicorn==20.0.4
-httplib2==0.15.0
+httplib2==0.19.0
 idna==2.8
 isort==4.3.21
 itsdangerous==1.1.0