diff --git a/requirements.txt b/requirements.txt
index 0094f1d..60b2458 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ google-api-python-client==1.7.11
 google-auth==1.11.2
 google-auth-httplib2==0.0.3
 gunicorn==19.9.0
-httplib2==0.18.0
+httplib2==0.19.0
 identify==1.4.10
 idna==2.7
 importlib-metadata==1.4.0