diff --git a/modules/cli/git.nix b/modules/cli/git.nix
index 6eb017fd..e82cfbb2 100644
--- a/modules/cli/git.nix
+++ b/modules/cli/git.nix
@@ -37,10 +37,6 @@ in {
         home-manager.users.${username} = {
             programs.git = {
                 inherit (cfg) enable userName userEmail;
-                signing = {
-                    key = cfg.signingKey;
-                    signByDefault = true;
-                };
                 extraConfig = {
                     contents = {
                         core = {
@@ -49,7 +45,12 @@ in {
                         };
                         init.defaultBranch = cfg.defaultBranch;
                         push.autoSetupRemote = true;
-                        commit.verbose = true;
+                        commit = {
+                            verbose = true;
+                            gpgsign = true;
+                        };
+                        gpg.format = "ssh";
+                        user.signingkey = "key::ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHXD1EM4mQz99vJhmZX1r7kwMd8yewogOuoTUuv1xWZB";
                         merge.conflictstyle = "zdiff3";
                         interactive.diffFilter = "${pkgs.delta}/bin/delta --color-only";
                         diff.algorithm = "histogram";