diff --git a/gtk3.spec b/gtk3.spec
index 6fa4902..ad081d5 100644
--- a/gtk3.spec
+++ b/gtk3.spec
@@ -20,6 +20,7 @@ Source1: im-cedilla.conf
 
 BuildRequires: gnome-common autoconf automake intltool gettext
 BuildRequires: atk-devel >= %{atk_version}
+BuildRequires: at-spi2-atk-devel
 BuildRequires: glib2-devel >= %{glib2_version}
 BuildRequires: cairo-devel >= %{cairo_version}
 BuildRequires: cairo-gobject-devel >= %{cairo_version}