diff --git a/powerpc-utils.spec b/powerpc-utils.spec
index 27758a5..346b3d5 100644
--- a/powerpc-utils.spec
+++ b/powerpc-utils.spec
@@ -26,6 +26,7 @@ Requires:       perl(Data::Dumper)
 Requires:       %{name}-core = %{version}-%{release}
 Requires:       systemd
 Requires:       kmod
+Requires:       which
 Requires(post):         systemd
 Requires(preun):        systemd
 Requires(postun):       systemd