diff --git a/rubygem-json.spec b/rubygem-json.spec
index 5bf5e6f..29f566d 100644
--- a/rubygem-json.spec
+++ b/rubygem-json.spec
@@ -2,7 +2,7 @@
 
 Name:           rubygem-%{gem_name}
 Version:        1.8.3
-Release:        100%{?dist}
+Release:        101%{?dist}
 
 Summary:        A JSON implementation in Ruby
 
@@ -130,6 +130,9 @@ popd
 
 
 %changelog
+* Mon Jan 11 2016 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.8.3-101
+- F-24: rebuild against ruby23
+
 * Thu Sep 24 2015 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.8.3-100
 - Update to 1.8.3