diff --git a/gtk-doc.spec b/gtk-doc.spec
index 1027feb..41276d5 100644
--- a/gtk-doc.spec
+++ b/gtk-doc.spec
@@ -15,6 +15,7 @@ BuildRequires: docbook-utils
 BuildRequires: jade
 BuildRequires: /usr/bin/xsltproc
 BuildRequires: docbook-style-xsl
+BuildRequires: perl-generators
 BuildRequires: python2-devel
 BuildRequires: gnome-doc-utils
 BuildRequires: gettext