diff --git a/testing/wireguard-vanilla/APKBUILD b/testing/wireguard-vanilla/APKBUILD
index 93634adbe56f37dede5def29a130cadfe6559852..67c857365a27665ebccdcd029b35e17fe726cda2 100644
--- a/testing/wireguard-vanilla/APKBUILD
+++ b/testing/wireguard-vanilla/APKBUILD
@@ -3,8 +3,8 @@
 
 _flavor=${FLAVOR:-vanilla}
 _kpkg=linux-$_flavor
-_kver=4.9.27
-_kpkgrel=1
+_kver=4.9.28
+_kpkgrel=0
 
 # when changing _ver we *must* bump _mypkgrel
 _ver=0.0.20170421