diff --git a/ChangeLog b/ChangeLog
index 5454f12f79..d737c41874 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Nov  3 11:28:28 2012  Narihiro Nakamura  <authornari@gmail.com>
+
+	* NEWS: add a news about GC::Profiler.raw_data.
+
 Sat Nov  3 11:01:32 2012  Narihiro Nakamura  <authornari@gmail.com>
 
 	* NEWS: add a news about rb_newobj_of() and NEWOBJ_OF().
diff --git a/NEWS b/NEWS
index b358042344..464cfdc5fb 100644
--- a/NEWS
+++ b/NEWS
@@ -112,6 +112,10 @@ with all sufficient information, see the ChangeLog file.
     * incompatible changes:
       * Fiber#resume cannot resume a fiber which invokes "Fiber#transfer".
 
+  * GC::Profiler
+    * added method:
+      * added GC::Profiler.raw_data which returns raw profile data for GC.
+
   * toplevel
     * added method:
       * added main.define_method which defines a global function.