diff --git a/main/linux-grsec/APKBUILD b/main/linux-grsec/APKBUILD
index 30e2bb77170..f3ad5cc1f4d 100644
--- a/main/linux-grsec/APKBUILD
+++ b/main/linux-grsec/APKBUILD
@@ -11,7 +11,7 @@ pkgrel=0
 pkgdesc="Linux kernel with grsecurity"
 url=http://grsecurity.net
 depends="mkinitfs linux-firmware"
-makedepends="perl installkernel bash gmp-dev bc"
+makedepends="perl sed installkernel bash gmp-dev bc"
 options="!strip"
 _config=${config:-kernelconfig.${CARCH}}
 install=