diff --git a/hosts/lappy/lappy.nix b/hosts/lappy/lappy.nix
index 6e76182..4f995c0 100644
--- a/hosts/lappy/lappy.nix
+++ b/hosts/lappy/lappy.nix
@@ -40,7 +40,17 @@ in {
   home-manager.users.root = { imports = with tree; [ home.base ]; };
   home-manager.users.chaos = {
     programs.ssh.matchBlocks."*".identityFile = "${usb_data.ssh_priv_path}";
+    programs.git = {
 
+      extraConfig = {
+        gpg = { format = "ssh"; };
+        user = {
+          signingKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAeN3T1aZkTm5xS0b66cRDyKUbdEQCFyzVWXeW+eIbsa chaos@chaos";
+        };
+        commit = { gpgsign = "true";};
+        tag = { gpgsign = "true";};
+      };
+    };
     imports = with tree; [
       home.base
       home.dev.all