diff --git a/NEWS b/NEWS
index 47d3eff93b..3c692fcd89 100644
--- a/NEWS
+++ b/NEWS
@@ -236,6 +236,9 @@ sufficient information, see the ChangeLog file or Redmine
     * RubyVM::AST.parse_file parses a given file and returns AST
       nodes.  [experimental]
 
+    * RubyVM::AST.of returns AST nodes of the given proc or method.
+      [experimental]
+
 [String]
 
   [New features]