diff --git a/requirements.txt b/requirements.txt
index 715e6a2..a29b6dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -53,7 +53,7 @@ entrypoints==0.2.2
 enum34==1.1.6
 get==0.0.0
 html5lib==0.999999999
-httplib2==0.9.2
+httplib2==0.18.0
 idna==2.5
 ipaddress==1.0.14
 ipykernel==4.5.2