diff --git a/profiles/default/package.use/required-by b/profiles/default/package.use/required-by
index 3aac0dc5a..20ccce8a9 100644
--- a/profiles/default/package.use/required-by
+++ b/profiles/default/package.use/required-by
@@ -700,3 +700,6 @@ dev-util/unicorn python
 # required by app-containers/lxc-5.0.1[tools,caps]
 sys-libs/libcap static-libs
 
+# required by media-sound/ardour-6.9-r2
+media-libs/suil gtk2
+