diff --git a/requirements.txt b/requirements.txt
index 84aa15d6..522f2c9f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,6 +16,7 @@ PyYAML>=3.1.0
 requests>=1.1
 six>=1.7.0
 SQLAlchemy>=0.9.7,<=0.9.99
+webob==1.7.4
 WSME>=0.6,<0.8
 sqlalchemy-migrate>=0.9.1,!=0.9.2
 SQLAlchemy-FullText-Search>=0.2.3