diff --git a/requirements.txt b/requirements.txt
index 94602f2..16405ca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-httplib2==0.8
+httplib2==0.18.0
 python-dateutil==2.1
 lxml==2.3.2
 nose==1.3.0