diff --git a/zfs.spec.in b/zfs.spec.in
index 0066c83157c0..2bed540b0f6a 100644
--- a/zfs.spec.in
+++ b/zfs.spec.in
@@ -42,7 +42,7 @@ additional applications against the %{name} libraries.
 %package test
 Summary:         ZFS File System Test Infrastructure
 Group:           Utilities/System
-Requires:        zfs parted lsscsi
+Requires:        zfs parted lsscsi mdadm bc
 
 %description test
 The %{name}-test package contains a test infrastructure for zpios which