diff --git a/requirements.txt b/requirements.txt
index fdc0960..39c0f5c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 click==6.7
 google-api-python-client==1.6.4
-httplib2==0.10.3
+httplib2==0.18.0
 oauth2client==4.1.2
 pyasn1==0.4.2
 pyasn1-modules==0.2.1