diff --git a/appstream.spec b/appstream.spec
index 4c75677..75a2818 100644
--- a/appstream.spec
+++ b/appstream.spec
@@ -20,6 +20,7 @@ Source0: http://www.freedesktop.org/software/appstream/releases/AppStream-%{vers
 BuildRequires: cmake
 BuildRequires: gettext
 BuildRequires: intltool
+BuildRequires: itstool
 BuildRequires: libstemmer-devel
 BuildRequires: pkgconfig(gio-2.0) pkgconfig(gobject-introspection-1.0)
 BuildRequires: pkgconfig(libxml-2.0)