diff --git a/requirements/base.txt b/requirements/base.txt
old mode 100755
new mode 100644
index fa90fdf..5c41cd1
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -8,7 +8,7 @@ djangorestframework==3.6.3
 djangorestframework-jsonapi==2.1.1
 google-api-python-client==1.5.1
 psycopg2-binary
-httplib2==0.9.2
+httplib2==0.19.0
 mongoengine==0.10.6
 oauth2client==2.2.0
 oauthlib==1.0.3