diff --git a/etc/acpi/handler.sh b/etc/acpi/handler.sh
index 912b968..ddbc5f6 100755
--- a/etc/acpi/handler.sh
+++ b/etc/acpi/handler.sh
@@ -8,6 +8,12 @@ for_each_pa_user() {
 }
 
 case "$1" in
+    button/brightnessup)
+	for_each_pa_user sudo xbacklight -inc 10
+	;;
+    button/brightnessdown)
+	for_each_pa_user sudo xbacklight -dec 10
+	;;
     button/volumedown)
 	for_each_pa_user /etc/acpi/volume.sh -10%
 	;;
diff --git a/etc/udev/rules.d/backlight.rules b/etc/udev/rules.d/backlight.rules
new file mode 100644
index 0000000..5440ae6
--- /dev/null
+++ b/etc/udev/rules.d/backlight.rules
@@ -0,0 +1 @@
+ACTION=="add", SUBSYSTEM=="backlight", RUN+="/bin/chgrp video $sys$devpath/brightness", RUN+="/bin/chmod g+w $sys$devpath/brightness"
diff --git a/install_dotfiles.sh b/install_dotfiles.sh
index 0deda15..a947bd7 100755
--- a/install_dotfiles.sh
+++ b/install_dotfiles.sh
@@ -149,6 +149,7 @@ if [ "${WORKSTATION}" -eq 1 ]; then
     install .config/darktable/darktablerc
     install -r usr/share/darktable/noiseprofiles.json
     install -r usr/share/lensfun/version_1/compact-sony.xml
+    install -r etc/udev/rules.d/backlight.rules
 fi
 
 if [ "${DEV}" -eq 1 ] && [ "${WORKSTATION}" -eq 1 ]; then