diff --git a/use.conf.d/system.conf b/use.conf.d/system.conf
index 3b560e8..6bb3853 100644
--- a/use.conf.d/system.conf
+++ b/use.conf.d/system.conf
@@ -1,2 +1,5 @@
 sys-devel/llvm clang
 sys-apps/paludis search-index xml
+
+# for initramfs
+sys-fs/mdadm static