diff --git a/appengine/app.yaml b/appengine/app.yaml
index d5d1bb0a0..3cb448844 100644
--- a/appengine/app.yaml
+++ b/appengine/app.yaml
@@ -1,5 +1,5 @@
 application: blockly-demo
-version: 20191014
+version: 20200123
 runtime: python27
 api_version: 1
 threadsafe: no