diff --git a/requirements.txt b/requirements.txt
index bbfc6b2..8eb24ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 cornice==0.16.2
 gunicorn==19.1.1
 pyramid==1.5
+WebOb==1.4.1
 requests==2.7
 simplejson==3.4
 SQLAlchemy==0.9.4