google app engine favicon.ico does not update

I'm developing GAE App.

I have a favicon.ico in my static folder,开发者_开发百科 as recommended and explained everywhere.

Now I changed the picture in the favicon.ico. In the local host I can see the new favicon.ico, but when I try to open the webpage with the url (on the server) I see the old favicon.ico.

It even persist when I uploaded a newer version of the app to GAE.

Try looking at the favicon directly, e.g., go to http://mysite.com/favicon.ico. If it looks right there, then it is just a caching issue that will resolve itself soon.