diff --git a/app-dicts/gnome-dictionary/gnome-dictionary-40.0.ebuild b/app-dicts/gnome-dictionary/gnome-dictionary-40.0.ebuild
index 299a866e32ff4..ca2a078abf808 100644
--- a/app-dicts/gnome-dictionary/gnome-dictionary-40.0.ebuild
+++ b/app-dicts/gnome-dictionary/gnome-dictionary-40.0.ebuild
@@ -24,6 +24,7 @@ BDEPEND="
 	app-text/docbook-xml-dtd:4.3
 	dev-libs/libxslt
 	dev-util/glib-utils
+	dev-util/itstool
 	>=sys-devel/gettext-0.19.8
 	virtual/pkgconfig
 "