diff --git a/game/gnome-chess/pspec.xml b/game/gnome-chess/pspec.xml
index 63bbe33380..0c5bd6cbfa 100644
--- a/game/gnome-chess/pspec.xml
+++ b/game/gnome-chess/pspec.xml
@@ -15,6 +15,7 @@
https://download.gnome.org/sources/gnome-chess/41/gnome-chess-41.1.tar.xz
meson
+ itstool
gtk4-devel
yelp-tools
cairo-devel