diff --git a/libwnck3.spec b/libwnck3.spec
index f276196..1d45ef4 100644
--- a/libwnck3.spec
+++ b/libwnck3.spec
@@ -5,7 +5,7 @@ Summary:        Window Navigator Construction Kit
 URL:            http://download.gnome.org/sources/libwnck/
 Source0:        http://download.gnome.org/sources/libwnck/3.24/libwnck-%{version}.tar.xz
 License:        LGPLv2+
-BuildRequires:  glib2-devel gtk3-devel gtk-doc meson pango-devel
+BuildRequires:  glib2-devel gtk3-devel gtk-doc meson pango-devel libxslt
 BuildRequires:  startup-notification-devel gobject-introspection-devel libXres-devel gettext
 Requires:       startup-notification