diff --git a/debian/postinst b/debian/postinst
new file mode 100644
index 0000000..7933945
--- /dev/null
+++ b/debian/postinst
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set -e
+
+cp -f /usr/sbin/update-initramfs /usr/sbin/update-initramfs-legacy
+cp -f /usr/lib/booster/update-initramfs /usr/sbin/update-initramfs
+chmod +x /usr/sbin/update-initramfs
+update-initramfs -c -k all
+rm /boot/initrd.img*