diff --git a/testing/virtualbox-additions-grsec/APKBUILD b/testing/virtualbox-additions-grsec/APKBUILD
index 226b70c7892..96798e3ba65 100644
--- a/testing/virtualbox-additions-grsec/APKBUILD
+++ b/testing/virtualbox-additions-grsec/APKBUILD
@@ -2,8 +2,8 @@
 
 _flavor=grsec
 _kpkg=linux-$_flavor
-_kver=3.18.20
-_kpkgrel=1
+_kver=3.18.21
+_kpkgrel=0
 
 # when chaning _ver we *must* bump _mypkgrel
 _ver=4.2.12