diff --git a/nixos-configurations/laptop/default.nix b/nixos-configurations/laptop/default.nix
index 1cd40d7..bafe178 100644
--- a/nixos-configurations/laptop/default.nix
+++ b/nixos-configurations/laptop/default.nix
@@ -11,7 +11,7 @@
   networking.hostName = "laptop";
 
   home-manager.users.thiloho = { pkgs, ... }: {
-    programs.git.signing.key = "1142F33FFA8ADAAC";
+    programs.git.signing.key = "BFD8F6A55B1E4F11";
     home = {
       packages = with pkgs;
         [
diff --git a/nixos-configurations/shared-desktop.nix b/nixos-configurations/shared-desktop.nix
index 889c068..5866ebc 100644
--- a/nixos-configurations/shared-desktop.nix
+++ b/nixos-configurations/shared-desktop.nix
@@ -56,7 +56,7 @@
       firefox = {
         enable = true;
         package =
-          pkgs.firefox.override { cfg = { speechSynthesisSupport = true; }; };
+          pkgs.firefox-devedition.override { cfg = { speechSynthesisSupport = true; }; };
       };
       chromium = {
         enable = true;