diff --git a/requirements.txt b/requirements.txt
index 1a3e1e2..af9aa26 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ Flask-Login==0.4.1
 gcloud==0.17.0
 googleapis-common-protos==1.51.0
 gunicorn==20.0.4
-httplib2==0.16.0
+httplib2==0.18.0
 idna==2.8
 isort==4.3.21
 itsdangerous==1.1.0