diff --git a/ChangeLog b/ChangeLog
index c588ed524d..3e9bdc0f09 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat May 24 14:02:04 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* NEWS: added minitest changes.
+
 Sat May 24 13:42:46 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
 
 	* test/lib/test/unit/test-unit.gemspec: removed needless gemspec file.
diff --git a/NEWS b/NEWS
index 8fdd12f3e5..f599cc2d7d 100644
--- a/NEWS
+++ b/NEWS
@@ -108,6 +108,9 @@ with all sufficient information, see the ChangeLog file.
   * Time.httpdate produces always UTC Time object.
   * Time.strptime raises ArgumentError when no date information.
 
+* lib/minitest/*.rb
+  * Removed because it conflicts to minitest 5. [Feature #9711]
+
 * lib/test/**/*.rb
   * Removed because it conflicts to minitest 5, and it was just an wrapper
     of minitest 4. [Feature #9711]