diff --git a/Makefile b/Makefile
index 6fe46c1..59449c7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 RELEASE=5.1
-PKGREL=3
+PKGREL=4
 
 export KERNEL_VER=4.15
-export KERNEL_ABI=4.15.15-1-pve
+export KERNEL_ABI=4.15.17-1-pve
 
 PACKAGE=pve-kernel-${KERNEL_VER}
 
diff --git a/debian/changelog b/debian/changelog
index 19e9a0a..829658f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+pve-kernel-4.15 (5.1-4) unstable; urgency=medium
+
+  * ABI bump to 4.15.17-1-pve
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 20 Apr 2018 11:11:03 +0200
+
 pve-kernel-4.15 (5.1-3) unstable; urgency=medium
 
   * ABI bump to 4.15.15-1-pve