diff --git a/NEWS.md b/NEWS.md
index 447788b932..0a6b8d87c4 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -405,6 +405,8 @@ Outstanding ones only.
 
     * Update to JSON 2.4.0
 
+    * Ractor compatible.
+
 * Socket
 
     * Add :connect_timeout to TCPSocket.new [[Feature #17187]]