diff --git a/metadata/categories.conf b/metadata/categories.conf
index c86ab96..c3afc2e 100644
--- a/metadata/categories.conf
+++ b/metadata/categories.conf
@@ -13,6 +13,7 @@ dev-libs
 dev-ocaml
 dev-perl
 dev-python
+dev-ruby
 dev-tcl
 dev-util
 games-action