diff --git a/home/home.nix b/home/home.nix
index aa0bbcb..6fe8b6d 100644
--- a/home/home.nix
+++ b/home/home.nix
@@ -168,6 +168,8 @@ with lib; {
         pull = {rebase = true;};
         credential = {helper = "store";};
       };
+      signing.key = "020C42B7A9ABA3E2";
+      signing.signByDefault = true;
     };
 
     obs-studio = {