diff --git a/debian/changelog b/debian/changelog
index e894b1d..cfed6b2 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+proxmox-secure-boot-support (1.0.3~presign1) bookworm; urgency=medium
+
+  * bump shim-unsigned to 15.8
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 10 May 2024 09:31:53 +0200
+
 proxmox-secure-boot-support (1.0.2) bookworm; urgency=medium
 
   * also bump dependency for the signed grub meta package to 2.06-13+pmx2
diff --git a/debian/control b/debian/control
index bcfb523..665534a 100644
--- a/debian/control
+++ b/debian/control
@@ -15,7 +15,7 @@ Depends: grub-efi-amd64-signed (= 1+2.06+13+pmx1) | grub-efi-amd64-signed (= 1+2
          proxmox-grub (= 2.06-13+pmx1) | proxmox-grub (= 1+2.06+13+pmx2),
          shim-helpers-amd64-signed (= 1+15.7+1+pmx1),
          shim-signed (= 1.39+pmx1+15.7-1+pmx1),
-         shim-unsigned (= 15.7-1+pmx1),
+         shim-unsigned (= 15.8-1+pmx1),
          ${misc:Depends},
 Description: Meta package pulling in signed Secure Boot related packages
  This is a metapackage which will install and version-pin Proxmox variants of