diff --git a/laptop/home-manager/default.nix b/laptop/home-manager/default.nix
index ec046a1..610167e 100644
--- a/laptop/home-manager/default.nix
+++ b/laptop/home-manager/default.nix
@@ -4,4 +4,6 @@
     ../../common/home-manager
     ./waybar.nix
   ];
+
+  programs.git.extraConfig.user.signingkey = "6CB106C25E86A9F7";
 }