--- a/requirements-sf.txt
+++ b/requirements-sf.txt
@@ -13,6 +13,7 @@
 sf.phpsession==0.1
 SQLAlchemy==0.7.2
 sqlalchemy-migrate==0.7.1
+wsgipreload==1.2
 pyzmq==2.1.7
 html2text==3.200.3dev-20121112