diff --git a/app.yaml b/app.yaml
index 34510cd..1b18116 100644
--- a/app.yaml
+++ b/app.yaml
@@ -9,15 +9,15 @@ handlers:
   static_files: static/clicks.html
   upload: static/clicks.html
   secure: always
+  expiration: "1d"
   http_headers:
-    X-Frame-Options: DENY
     X-Content-Type-Options: nosniff
     Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
 
 - url: /static
   static_dir: static
   secure: always
+  expiration: "1d"
   http_headers:
-    X-Frame-Options: DENY
     X-Content-Type-Options: nosniff
     Strict-Transport-Security: max-age=31536000; includeSubDomains; preload