diff --git a/Makefile b/Makefile
index b6fa2be..5d8ed50 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # also bump pve-kernel-meta if either of MAJ.MIN, PATCHLEVEL or KREL change
 KERNEL_MAJ=5
 KERNEL_MIN=15
-KERNEL_PATCHLEVEL=83
+KERNEL_PATCHLEVEL=85
 # increment KREL if the ABI changes (abicheck target in debian/rules)
 # rebuild packages with new KREL and run 'make abiupdate'
 KREL=1
diff --git a/debian/changelog b/debian/changelog
index 2f5d649..4e05fc6 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+pve-kernel (5.15.85-1) bullseye; urgency=medium
+
+  * update to Ubuntu-5.15.0-65.72 based on v5.15.85
+
+  * update ZFS to 2.1.9
+
+ -- Proxmox Support Team <support@proxmox.com>  Wed, 01 Feb 2023 16:07:18 +0100
+
 pve-kernel (5.15.83-1) bullseye; urgency=medium
 
   * update ZFS to 2.1.7