diff --git a/requirements.txt b/requirements.txt
index 5f0cd96..672d3e5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ google-auth-httplib2==0.0.3
 google-auth-oauthlib==0.4.1
 googleapis-common-protos==1.51.0
 gunicorn==20.0.4
-httplib2==0.17.1
+httplib2==0.19.0
 idna==2.9
 imagesize==1.2.0
 Jinja2==2.11.2