diff --git a/dotfiles.yml b/dotfiles.yml
index 476ad81..e18e4aa 100644
--- a/dotfiles.yml
+++ b/dotfiles.yml
@@ -56,6 +56,7 @@
        - pcmanfm
        - dunst
        - numlockx
+       - xbacklight
     - name: Other convenient tools are installed
       apt: name={{ item }} state=present
       tags: tools
@@ -92,7 +93,6 @@
 # TODO
 # i3 bugfixes:
 #   ++ http://www.draconianoverlord.com/2014/05/26/from-xmonad-to-i3.html
-#   Fn keys (sound, brightness ...). Try https://wiki.archlinux.org/index.php/Fcitx ?
 #
 # https://github.com/sgentle/caniuse-cmd
 #
diff --git a/i3.base b/i3.base
index e0c30ea..249d026 100644
--- a/i3.base
+++ b/i3.base
@@ -145,10 +145,14 @@ mode "resize" {
 
 bindsym $mod+r mode "resize"
 
+# To get keycodes, run: sudo showkey -k
 bindsym XF86AudioRaiseVolume exec --no-startup-id handle-volume-change up
 bindsym XF86AudioLowerVolume exec --no-startup-id handle-volume-change down
 bindsym XF86AudioMute exec --no-startup-id handle-volume-change mute
 
+bindsym XF86MonBrightnessUp exec --no-startup-id xbacklight -inc 10
+bindsym XF86MonBrightnessDown exec --no-startup-id xbacklight -dec 10
+
 # Start i3bar to display a workspace bar (plus the system information i3status
 # finds out, if available)
 bar {