diff --git a/testing/virtualbox-additions-grsec/APKBUILD b/testing/virtualbox-additions-grsec/APKBUILD
index 931c06a541a..fab9d4d6b28 100644
--- a/testing/virtualbox-additions-grsec/APKBUILD
+++ b/testing/virtualbox-additions-grsec/APKBUILD
@@ -2,7 +2,7 @@
 
 _flavor=grsec
 _kpkg=linux-$_flavor
-_kver=4.4.12
+_kver=4.4.13
 _kpkgrel=0
 
 # when chaning _ver we *must* bump _mypkgrel