diff --git a/requirements.txt b/requirements.txt
index 56417ec..eeee68d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Flask==0.10.1
 Flask-KVSession==0.6.2
 google-api-python-client==1.5.5
-httplib2==0.9.1
+httplib2==0.18.0
 python-gflags==2.0
 simplekv==0.9.2
 boto3==1.4.1