diff --git a/requirements.txt b/requirements.txt
index 0ca193c..c04cb94 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ grpcio==1.10.0
 gTTS==1.2.2
 gTTS-token==1.1.1
 gunicorn==19.8.1
-httplib2==0.10.3
+httplib2==0.19.0
 idna==2.6
 itsdangerous==0.24
 Jinja2==2.10