diff --git a/update b/update
new file mode 100755
index 0000000..f9306f9
--- /dev/null
+++ b/update
@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [[ $EUID -ne 0 ]]; then
+  echo "Requesting sudo..."
+  exec sudo "$0" "$@"
+fi
+
+pacman -Syu
+
+installed=$(pacman -Q linux | awk '{print $2}' | sed 's/\.arch/-arch/')
+running=$(uname -r)
+
+if [[ "$running" == "$installed" ]]; then
+  echo "updated, no reboot needed"
+else
+  echo "updated, rebooting"
+  reboot
+fi