diff --git a/requirements.txt b/requirements.txt
index 6706084..f09ef8b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ configobj==4.7.2
 ecdsa==0.8
 enum34==1.0
 html5lib==0.999
-httplib2==0.8
+httplib2==0.19.0
 idna==0.9
 itsdangerous==0.24
 jsonpatch==1.3