diff --git a/Makefile b/Makefile
index 9c83296..03242cd 100644
--- a/Makefile
+++ b/Makefile
@@ -4,9 +4,9 @@ KERNEL_MIN=13
 KERNEL_PATCHLEVEL=19
 # increment KREL if the ABI changes (abicheck target in debian/rules)
 # rebuild packages with new KREL and run 'make abiupdate'
-KREL=1
+KREL=2
 
-PKGREL=3
+PKGREL=4
 
 KERNEL_MAJMIN=$(KERNEL_MAJ).$(KERNEL_MIN)
 KERNEL_VER=$(KERNEL_MAJMIN).$(KERNEL_PATCHLEVEL)
diff --git a/debian/changelog b/debian/changelog
index d17e9e3..6c924d2 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+pve-kernel (5.13.19-4) bullseye; urgency=medium
+
+  * update sources to Ubuntu-5.13.0-23.23
+
+  * bump ABI to 5.13.19-2
+
+ -- Proxmox Support Team <support@proxmox.com>  Mon, 29 Nov 2021 12:10:09 +0100
+
 pve-kernel (5.13.19-3) bullseye; urgency=medium
 
   * backport two io-wq fixes relevant for io_uring