diff --git a/app-editors/emacs/emacs-31.0.9999.ebuild b/app-editors/emacs/emacs-31.0.9999.ebuild
index 561bce8fe723d..780ae1ead1c5a 100644
--- a/app-editors/emacs/emacs-31.0.9999.ebuild
+++ b/app-editors/emacs/emacs-31.0.9999.ebuild
@@ -111,7 +111,10 @@ RDEPEND=">=app-emacs/emacs-common-1.11[games?,gui?]
 	sqlite? ( dev-db/sqlite:3 )
 	ssl? ( net-libs/gnutls:0= )
 	systemd? ( sys-apps/systemd )
-	tree-sitter? ( dev-libs/tree-sitter:= )
+	tree-sitter? (
+		dev-libs/tree-sitter:=
+		dev-libs/tree-sitter-jsdoc
+	)
 	valgrind? ( dev-debug/valgrind )
 	xattr? ( sys-apps/attr )
 	zlib? ( sys-libs/zlib )