diff --git a/debian/proxmox-backup-server.install b/debian/proxmox-backup-server.install
index 94ba4b0b..5f9af288 100644
--- a/debian/proxmox-backup-server.install
+++ b/debian/proxmox-backup-server.install
@@ -1,4 +1,4 @@
-etc/pbs-enterprise.list /etc/apt/sources.list.d/
+etc/pbs-enterprise.sources /etc/apt/sources.list.d/
 etc/proxmox-backup-banner.service /usr/lib/systemd/system/
 etc/proxmox-backup-daily-update.service /usr/lib/systemd/system/
 etc/proxmox-backup-daily-update.timer /usr/lib/systemd/system/
diff --git a/etc/pbs-enterprise.list b/etc/pbs-enterprise.list
deleted file mode 100644
index 45468ec2..00000000
--- a/etc/pbs-enterprise.list
+++ /dev/null
@@ -1 +0,0 @@
-deb https://enterprise.proxmox.com/debian/pbs bookworm pbs-enterprise
diff --git a/etc/pbs-enterprise.sources b/etc/pbs-enterprise.sources
new file mode 100644
index 00000000..19fbc85f
--- /dev/null
+++ b/etc/pbs-enterprise.sources
@@ -0,0 +1,5 @@
+Types: deb
+URIs: https://enterprise.proxmox.com/debian/pbs
+Suites: trixie
+Components: pbs-enterprise
+Signed-By: /usr/share/keyrings/proxmox-archive-keyring.gpg