diff --git a/app.yaml b/app.yaml
index d28bc3c..f40c3a3 100644
--- a/app.yaml
+++ b/app.yaml
@@ -8,17 +8,21 @@
 - url: /
   static_files: render.html
   upload: render.html
+  expiration: "1h"
 - url: /edit
   static_files: edit.html
   upload: edit.html
+  expiration: "1h"
 - url: /help
   static_files: help.html
   upload: help.html
+  expiration: "1h"
 - url: /([^/]*).js
   static_files: \1.js
-  upload: (.*).js
+  upload: .*.js
+  expiration: "1h"
 - url: /([^/]*)\.json
   static_files: \1.json
   mime_type: text/plain
-  upload: (.*\.json)
-  expiration: "1m"
+  upload: .*\.json
+  expiration: "1h"