diff --git a/main/devicemaster-linux-grsec/APKBUILD b/main/devicemaster-linux-grsec/APKBUILD
index 4153b9f2e36..0bebf6cb9ac 100644
--- a/main/devicemaster-linux-grsec/APKBUILD
+++ b/main/devicemaster-linux-grsec/APKBUILD
@@ -2,8 +2,8 @@
 
 _flavor=grsec
 _kpkg=linux-$_flavor
-_kver=3.18.20
-_kpkgrel=1
+_kver=3.18.21
+_kpkgrel=0
 _mypkgrel=0
 
 _kpkgver="$_kver-r$_kpkgrel"