diff --git a/requirements.txt b/requirements.txt
index c1f083a..7100c7c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ coverage==4.5.4
 Flask==1.1.1
 Flask-API==2.0
 Flask-Cors==3.0.8
-httplib2==0.17.0
+httplib2==0.19.0
 idna==2.8
 itsdangerous==1.1.0
 Jinja2==2.10.3