diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index b34878c..40a716b
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ goslate==1.5.1
 greenlet==0.4.12
 grpcio==1.1.3
 html5lib==0.999999999
-httplib2==0.10.3
+httplib2==0.19.0
 imutils==0.4.3
 ipykernel==4.5.2
 ipython==5.3.0