diff --git a/requirements.txt b/requirements.txt
index a3869f1..282d555 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 google-api-python-client==1.6.5
-httplib2==0.10.3
+httplib2==0.19.0
 oauth2client==4.1.2
 pdfrw==0.4
 pkg-resources==0.0.0