diff --git a/requirements.txt b/requirements.txt
index a4309d4..a402c3a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ duplicity==0.7.6
 enum34==1.1.2
 gyp==0.1
 html5lib==0.999
-httplib2==0.9.1
+httplib2==0.18.0
 idna==2.0
 ipaddress==1.0.16
 lockfile==0.12.2