diff --git a/Makefile b/Makefile
index 206f5b7..ddde7b8 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ KERNEL_MIN=5
 KERNEL_PATCHLEVEL=13
 # increment KREL for every published package release!
 # rebuild packages with new KREL and run 'make abiupdate'
-KREL=2
+KREL=3
 
 KERNEL_MAJMIN=$(KERNEL_MAJ).$(KERNEL_MIN)
 KERNEL_VER=$(KERNEL_MAJMIN).$(KERNEL_PATCHLEVEL)
diff --git a/debian/changelog b/debian/changelog
index a69dd5e..3417f7a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+proxmox-kernel-6.5 (6.5.13-3) bookworm; urgency=medium
+
+  * updated sources to Ubuntu-6.5.0-27.28 to fix a regression in the tracing &
+    debugging related eventfs, potentially breaking bpftrace.
+
+ -- Proxmox Support Team <support@proxmox.com>  Wed, 20 Mar 2024 11:45:08 +0100
+
 proxmox-kernel-6.5 (6.5.13-2) bookworm; urgency=medium
 
   * update sources to Ubuntu-6.5.0-27.27 based on stable-tree backports of