diff --git a/nix_channel_server/app.py b/nix_channel_server/app.py
index 9f25c15..099a30b 100644
--- a/nix_channel_server/app.py
+++ b/nix_channel_server/app.py
@@ -33,7 +33,7 @@ class Channel(Resource):
 
 class GetNewChannel(Resource):
     def post(self):
-        r = requests.get("https://nixos.org/channels/nixos-21.05")
+        r = requests.get("https://nixos.org/channels/nixos-21.11")
         channel = r.url
         # Save the new channel to file
         with open("channel_url.txt", "w") as f: