diff --git a/requirements.txt b/requirements.txt
index 2244499..8d2050c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ Flask-Login==0.4.1
 flask-mongoengine==0.9.5
 Flask-WTF==0.14.2
 googlemaps==3.1.1
-httplib2==0.13.1
+httplib2==0.19.0
 Flask-GoogleCharts==0.1.0
 idna==2.8
 idna-ssl==1.1.0