diff --git a/docbook5-schemas.spec b/docbook5-schemas.spec
index f91cdc7..d17e537 100644
--- a/docbook5-schemas.spec
+++ b/docbook5-schemas.spec
@@ -16,6 +16,7 @@ Provides: docbook5-xsd = %{version}-%{release}
 Requires(post): libxml2 >= 2.4.8
 Requires(postun): libxml2 >= 2.4.8
 Requires: xml-common >= 0.6.3-24
+BuildRequires: perl-generators
 BuildRequires: unzip
 BuildRequires: libxml2 >= 2.4.8