diff --git a/dev-requirements.txt b/dev-requirements.txt
index 967cea2..f9f379a 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -32,7 +32,7 @@ flake8==3.5.0
 graphviz==0.8.3
 guacamole==0.9.2
 html5lib==0.999
-httplib2==0.9.1
+httplib2==0.18.0
 idna==2.6
 ipdb==0.11
 ipython==5.6.0