diff --git a/git_system.nix b/git_system.nix
index ada66d9..8be3434 100644
--- a/git_system.nix
+++ b/git_system.nix
@@ -126,5 +126,12 @@ in
         prCommitsPerRunLimit = 0;
       };
     };
+
+    cron = {
+      enable = true;
+      systemCronJobs = {
+        "30 20 * * *    root    chmod 660 /backups/forgejo_backup.tar.gz"
+      }
+    };
   };
 }