diff --git a/Makefile b/Makefile
index 64aef25..86842b3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,12 @@
 # also bump pve-kernel-meta if either of MAJ.MIN, PATCHLEVEL or KREL change
 KERNEL_MAJ=5
 KERNEL_MIN=0
-KERNEL_PATCHLEVEL=18
+KERNEL_PATCHLEVEL=21
 # increment KREL if the ABI changes (abicheck target in debian/rules)
 # rebuild packages with new KREL and run 'make abiupdate'
 KREL=1
 
-PKGREL=3
+PKGREL=1
 
 KERNEL_MAJMIN=$(KERNEL_MAJ).$(KERNEL_MIN)
 KERNEL_VER=$(KERNEL_MAJMIN).$(KERNEL_PATCHLEVEL)
diff --git a/debian/changelog b/debian/changelog
index a8539b4..c7f7c1b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,13 @@
+pve-kernel (5.0.21-1) pve pmg; urgency=medium
+
+  * update sources to Ubuntu-5.0.0-26.27
+
+  * update ZFS to include SIMD compat patch for newer Kernel
+
+  * bump ABI to 5.0.21-1
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 20 Aug 2019 17:16:32 +0200
+
 pve-kernel (5.0.18-3) pve pmg; urgency=medium
 
   * update sources to Ubuntu-5.0.0-25.26