diff --git a/gnome-user-docs.spec b/gnome-user-docs.spec
index 03eda2f..138dd9b 100644
--- a/gnome-user-docs.spec
+++ b/gnome-user-docs.spec
@@ -12,6 +12,7 @@ BuildRequires: scrollkeeper
 BuildRequires: gnome-doc-utils
 BuildRequires: pkgconfig
 BuildRequires: gettext
+BuildRequires: itstools
 
 %description
 This package contains end user documentation for the GNOME desktop