diff --git a/home/programs/git/signing.nix b/home/programs/git/signing.nix
new file mode 100644
index 0000000..58c223e
--- /dev/null
+++ b/home/programs/git/signing.nix
@@ -0,0 +1,10 @@
+_: {
+  home.file.".ssh/allowed_signers".text =
+    "* ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIINhWby7lUUXQNKbRu9/UOrGjWDf3fvoAwGHomWv/+lL";
+  programs.git.extraConfig = {
+    commit.gpgsign = true;
+    gpg.ssh.allowedSignersFile = "~/.ssh/allowed_signers";
+    gpg.format = "ssh";
+    user.signingkey = "~/.ssh/key.pub";
+  };
+}
diff --git a/hosts/laptop/home.nix b/hosts/laptop/home.nix
index bbc6fef..c6ca067 100644
--- a/hosts/laptop/home.nix
+++ b/hosts/laptop/home.nix
@@ -10,6 +10,7 @@
     ../../home/programs/shell
     ../../home/programs/fetch
     ../../home/programs/git
+    ../../home/programs/git/signing.nix
     ../../home/programs/spicetify
     ../../home/programs/nextcloud
     ../../home/programs/thunar