diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 09cd8a4c..706fa19d
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-httplib2 == 0.10.3
+httplib2 == 0.19.0
 six == 1.9.0
 oauth2client == 4.0.0
 futures == 3.1.1