diff --git a/app-engine/app.yaml b/app-engine/app.yaml
index 413c6ac..6146665 100644
--- a/app-engine/app.yaml
+++ b/app-engine/app.yaml
@@ -4,7 +4,7 @@
 # for details.
 
 # default: production
-version: hbyjknty
+version: dev
 
 application: tatwell-python-demo
 runtime: python27