diff --git a/systemtap.spec b/systemtap.spec
index 5483e2e..6b3d144 100644
--- a/systemtap.spec
+++ b/systemtap.spec
@@ -99,7 +99,7 @@ Source: %{name}-%{version}-0.20160613gitc043a8b.tar.gz
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires: gcc-c++
 BuildRequires: gettext-devel
-BuildRequires: nss-devel avahi-devel pkgconfig
+BuildRequires: nss-devel avahi-devel perl-generators pkgconfig
 %if %{with_dyninst}
 BuildRequires: dyninst-devel >= 8.0
 BuildRequires: libselinux-devel