diff --git a/modules/home/windowManagers/hyprland/default.nix b/modules/home/windowManagers/hyprland/default.nix
index aba89ff..365ddaa 100644
--- a/modules/home/windowManagers/hyprland/default.nix
+++ b/modules/home/windowManagers/hyprland/default.nix
@@ -252,8 +252,8 @@ in
           ", XF86AudioPrev, exec, ${pkgs.playerctl}/bin/playerctl previous"
           ", XF86AudioNext, exec, ${pkgs.playerctl}/bin/playerctl next"
           ", XF86AudioPlay, exec, ${pkgs.playerctl}/bin/playerctl play-pause"
-          ", XF86MonBrightnessDown, exec, ${pkgs.light}/bin/light -U 5"
-          ", XF86MonBrightnessUp, exec, ${pkgs.light}/bin/light -A 5"
+          ", XF86MonBrightnessDown, exec, ${pkgs.brightnessctl}/bin/brightnessctl set +5"
+          ", XF86MonBrightnessUp, exec, ${pkgs.brightnessctl}/bin/brightnessctl set 5-"
         ];
       };
     };
diff --git a/modules/home/windowManagers/sway/default.nix b/modules/home/windowManagers/sway/default.nix
index 358f299..272bdf1 100644
--- a/modules/home/windowManagers/sway/default.nix
+++ b/modules/home/windowManagers/sway/default.nix
@@ -320,8 +320,8 @@ in
           "${modifier}+Left" = "exec 'playerctl previous'";
 
           # Backlight keys
-          "XF86MonBrightnessDown" = "exec '${pkgs.light}/bin/light -U 5'";
-          "XF86MonBrightnessUp" = "exec '${pkgs.light}/bin/light -A 5'";
+          "XF86MonBrightnessDown" = "exec '${pkgs.brightnessctl}/bin/brightnessctl set 5+'";
+          "XF86MonBrightnessUp" = "exec '${pkgs.brightnessctl}/bin/brightnessctl set 5-'";
 
           # Navigation
 
diff --git a/overlays/signal-desktop-bin/default.nix b/overlays/signal-desktop/default.nix
similarity index 79%
rename from overlays/signal-desktop-bin/default.nix
rename to overlays/signal-desktop/default.nix
index be1b4c3..7941eec 100644
--- a/overlays/signal-desktop-bin/default.nix
+++ b/overlays/signal-desktop/default.nix
@@ -1,6 +1,6 @@
 { ... }:
 (final: prev: {
-  signal-desktop-bin = prev.signal-desktop-bin.overrideAttrs (oldAttrs: {
+  signal-desktop = prev.signal-desktop.overrideAttrs (oldAttrs: {
     nativeBuildInputs = oldAttrs.nativeBuildInputs ++ [ prev.makeWrapper ];
     postInstall = oldAttrs.postInstall or "" + ''
       wrapProgram $out/bin/signal-desktop \
diff --git a/systems/x86_64-linux/carbon/default.nix b/systems/x86_64-linux/carbon/default.nix
index e1a43bd..7d3ae69 100644
--- a/systems/x86_64-linux/carbon/default.nix
+++ b/systems/x86_64-linux/carbon/default.nix
@@ -82,7 +82,7 @@
     hugo
     nixos-generators
     vlc
-    signal-desktop-bin
+    signal-desktop
     zoom-us
   ];
   environment.pathsToLink = [
@@ -90,8 +90,6 @@
     "/share/xdg-desktop-portal"
   ];
 
-  programs.light.enable = true;
-
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave
diff --git a/systems/x86_64-linux/gospel/default.nix b/systems/x86_64-linux/gospel/default.nix
index 342ac2d..f1376a3 100644
--- a/systems/x86_64-linux/gospel/default.nix
+++ b/systems/x86_64-linux/gospel/default.nix
@@ -202,7 +202,7 @@
     prusa-slicer
     esptool
     minicom
-    signal-desktop-bin
+    signal-desktop
     ncdu
 
     cntr