diff --git a/Makefile b/Makefile
index c7c01d4..7d6a4c8 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ KERNEL_MIN=15
 KERNEL_PATCHLEVEL=18
 # increment KREL if the ABI changes (abicheck target in debian/rules)
 # rebuild packages with new KREL and run 'make abiupdate'
-KREL=5
+KREL=6
 
 PKGREL=24
 
diff --git a/debian/changelog b/debian/changelog
index aa52bcf..19db5a5 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+pve-kernel (4.15.18-25) unstable; urgency=medium
+
+  * update sources to Ubuntu-4.15.0-36.39
+
+  * bump ABI to 4.15.18-6-pve
+
+ -- Proxmox Support Team <support@proxmox.com>  Wed, 03 Oct 2018 14:09:02 +0200
+
 pve-kernel (4.15.18-24) unstable; urgency=medium
 
   * bump spl and zfs to 0.7.11