diff --git a/ChangeLog b/ChangeLog
index 003528fb51..7b8b02ed79 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+Thu Mar 19 12:45:03 2016  Naotoshi Seo  <sonots@gmail.com>
+
+	* ChangeLog: Add decriptions for logger updates
+	* NEWS: Add descriptions for logger updates
+
+Mon Apr 19 12:45:02 2016  Naotoshi Seo  <sonots@gmail.com>
+
+	* lib/logger.rb: Add shift_period_suffix option
+
+Mon Apr 19 12:45:01 2016  Naotoshi Seo  <sonots@gmail.com>
+
+	* lib/logger.rb: Allow specifying logger parameters in constructor
+	  such as level, progname, datetime_format, formatter.
+
 Mon Apr 18 16:07:01 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* compile.c (iseq_peephole_optimize): should not replace the
diff --git a/NEWS b/NEWS
index 31b0a25434..67b4f25a88 100644
--- a/NEWS
+++ b/NEWS
@@ -64,6 +64,12 @@ with all sufficient information, see the ChangeLog file or Redmine
 
   * Add a liberal_parsing option. [Feature #11839]
 
+* Logger
+
+	* Allow specifying logger parameters in constructor such
+	  as level, progname, datetime_format, formatter. [Feature #12224]
+	* Add shift_period_suffix option. [Feature #10772]
+
 * optparse
 
   * Add an into option. [Feature #11191]