diff --git a/requirements.txt b/requirements.txt
index 4c750a5..433dfe3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ folium==0.2.1
 gensim==0.13.1
 google-api-python-client==1.5.1
 html5lib==0.999999999
-httplib2==0.9.2
+httplib2==0.19.0
 isodate==0.5.4
 itsdangerous==0.24
 Jinja2==2.8