diff --git a/pygobject2.spec b/pygobject2.spec
index 67353ad..8f64e85 100644
--- a/pygobject2.spec
+++ b/pygobject2.spec
@@ -18,6 +18,7 @@ Buildrequires: glib2-devel >= 2.8
 Buildrequires: automake >= 1.6.3-5
 Buildrequires: libtool
 Buildrequires: libxslt
+Buildrequires: docbook-style-xsl
 
 %description
 Pygobjects is an extension module for python that gives you access to GLib's