diff --git a/ChangeLog b/ChangeLog
index d3fa1ee56a..4ac5250317 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sat Oct 13 01:39:46 2012  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* test/ruby/test_regexp.rb
+	  (TestRegexp#test_raw_hyphen_and_type_char_after_range): added new
+	  test. ref [ruby-core:47115] [Backport #6853]
+
 Fri Oct 12 18:19:35 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* file.c (rb_get_path_check): path name must not contain NUL bytes.
diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb
index 3c1662efba..b3c44f3d66 100644
--- a/test/ruby/test_regexp.rb
+++ b/test/ruby/test_regexp.rb
@@ -867,4 +867,14 @@ class TestRegexp < Test::Unit::TestCase
     assert_match(/invalid hex escape/, error.message)
     assert_equal(1, error.message.scan(/.*invalid .*escape.*/i).size, bug3539)
   end
+
+  def test_raw_hyphen_and_type_char_after_range
+    bug6853 = '[ruby-core:47115]'
+    begin
+      verbose, $VERBOSE = $VERBOSE, nil
+      assert_match(/[0-1-\s]/, ' ', bug6853)
+    ensure
+      $VERBOSE = verbose
+    end
+  end
 end
diff --git a/version.h b/version.h
index 79574eb58d..64d445fb10 100644
--- a/version.h
+++ b/version.h
@@ -1,10 +1,10 @@
 #define RUBY_VERSION "1.9.3"
-#define RUBY_PATCHLEVEL 286
+#define RUBY_PATCHLEVEL 287
 
-#define RUBY_RELEASE_DATE "2012-10-12"
+#define RUBY_RELEASE_DATE "2012-10-13"
 #define RUBY_RELEASE_YEAR 2012
 #define RUBY_RELEASE_MONTH 10
-#define RUBY_RELEASE_DAY 12
+#define RUBY_RELEASE_DAY 13
 
 #include "ruby/version.h"