diff --git a/files/debian/debian-sources-update.sh b/files/debian/debian-sources-update.sh
new file mode 100644
index 0000000..53b011d
--- /dev/null
+++ b/files/debian/debian-sources-update.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+# make mirrors directoy
+if [[ ! -d /etc/apt/mirrors ]] ; then
+    mkdir /etc/apt/mirrors
+fi
+
+# create mirror sources
+if [[ ! -f /etc/apt/mirrors/debian.list ]] ; then
+    echo "https://deb.debian.org/debian" >> /etc/apt/mirrors/debian.list
+fi
+
+if [[ ! -f /etc/apt/mirrors/debian-security.list ]] ; then
+    echo "https://deb.debian.org/debian-security" >> /etc/apt/mirrors/debian-security.list
+fi
+
+# create debian.sources 
+if [[ ! -f /etc/apt/sources.list.d/debian.sources ]] ; then
+    echo "Types: deb deb-src" >> /etc/apt/sources.list.d/debian.sources
+    echo "URIs: mirror+file:///etc/apt/mirrors/debian.list" >> /etc/apt/sources.list.d/debian.sources
+    echo "Suites: bookworm bookworm-updates bookworm-backports" >> /etc/apt/sources.list.d/debian.sources
+    echo "Components: main contrib non-free non-free-firmware" >> /etc/apt/sources.list.d/debian.sources
+    echo "" >> /etc/apt/sources.list.d/debian.sources
+    echo "Types: deb deb-src" >> /etc/apt/sources.list.d/debian.sources
+    echo "URIs: mirror+file:///etc/apt/mirrors/debian-security.list" >> /etc/apt/sources.list.d/debian.sources
+    echo "Suites: bookworm-security" >> /etc/apt/sources.list.d/debian.sources
+    echo "Components: main" >> /etc/apt/sources.list.d/debian.sources
+fi
+
+# backup sources.list
+if [[ ! -f /etc/apt/sources.list.bak ]] ; then
+    mv /etc/apt/sources.list /etc/apt/sources.list.bak
+fi