diff --git a/requirements.txt b/requirements.txt
index 32c96f8..caf078c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 d2to1==0.2.11
 docutils==0.11
-httplib2==0.8
+httplib2==0.19.0
 iso8601==0.1.4
 keyring==2.1.1
 mock==1.0.1