diff --git a/hosts/common/x.nix b/hosts/common/x.nix
index d148146..3086e83 100644
--- a/hosts/common/x.nix
+++ b/hosts/common/x.nix
@@ -24,5 +24,6 @@
     xorg.libXinerama
     xorg.xbacklight
     pulseaudioFull
+    brightnessctl
   ];
 }