diff --git a/modules/linux/restic/default.nix b/modules/linux/restic/default.nix
index 555003d..fc169e6 100644
--- a/modules/linux/restic/default.nix
+++ b/modules/linux/restic/default.nix
@@ -13,7 +13,7 @@ in{
     pruneOpts = [
       "--keep-daily 7"
       "--keep-weekly 4"
-      "--keep-monthly 12"
+      "--keep-monthly 3"
     ];
   });
 }