diff --git a/requirements.txt b/requirements.txt
index 26f82da..feb5b9b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ folium==0.7.0
 geocoder==1.38.1
 geographiclib==1.49
 geopy==1.18.1
-httplib2==0.9.2
+httplib2==0.18.0
 pandas==0.23.4
 pygobject==3.26.1
 pygraphviz==1.4rc1