diff --git a/modules/features/system/forgejo.nix b/modules/features/system/forgejo.nix
index 60c434b..0e4eb70 100644
--- a/modules/features/system/forgejo.nix
+++ b/modules/features/system/forgejo.nix
@@ -5,6 +5,7 @@
 
     settings.server = {
       HTTP_PORT = 21350;
+      DISABLE_REGISTRATION = true;
       ROOT_URL = "https://git.asakiyuki.com/";
     };
   };