diff --git a/Makefile b/Makefile
index 1a398cc..ec408ec 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ KERNEL_MIN=5
 KERNEL_PATCHLEVEL=11
 # increment KREL for every published package release!
 # rebuild packages with new KREL and run 'make abiupdate'
-KREL=3
+KREL=4
 
 KERNEL_MAJMIN=$(KERNEL_MAJ).$(KERNEL_MIN)
 KERNEL_VER=$(KERNEL_MAJMIN).$(KERNEL_PATCHLEVEL)
diff --git a/debian/changelog b/debian/changelog
index 73e11e7..57bd57e 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+proxmox-kernel-6.5 (6.5.11-4) bookworm; urgency=medium
+
+  * add signed kernel variant for secure boot 
+
+ -- Proxmox Support Team <support@proxmox.com>  Mon, 20 Nov 2023 11:19:53 +0100
+
 proxmox-kernel-6.5 (6.5.11-3) bookworm; urgency=medium
 
   * ZFS: pick bug-fixes staged for 2.2.1: