diff --git a/ruby.spec b/ruby.spec
index de023b5..a971e30 100644
--- a/ruby.spec
+++ b/ruby.spec
@@ -56,7 +56,7 @@ Version: %{ruby_version_patch_level}
 # we cannot reset the release number to 1 even when the main (ruby) version
 # is updated - because it may be that the versions of sub-components don't
 # change.
-Release: 20%{?dist}
+Release: 21%{?dist}
 Group: Development/Languages
 # Public Domain for example for: include/ruby/st.h, strftime.c, ...
 License: (Ruby or BSD) and Public Domain
@@ -739,7 +739,7 @@ make check TESTS="-v $DISABLE_TESTS"
 %{ruby_libdir}/tkextlib
 
 %changelog
-* Sat Nov 10 2012 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.9.3.327-20
+* Sat Nov 10 2012 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.9.3.327-21
 - Update to 1.9.3.327
 - Fix Hash-flooding DoS vulnerability on MurmurHash function
   (CVE-2012-5371)