diff --git a/rubygem-redcarpet.spec b/rubygem-redcarpet.spec
index 467a9d9..df768a9 100644
--- a/rubygem-redcarpet.spec
+++ b/rubygem-redcarpet.spec
@@ -2,7 +2,7 @@
 
 Name: rubygem-%{gem_name}
 Version: 3.3.2
-Release: 21%{?dist}
+Release: 22%{?dist}
 Summary: A fast, safe and extensible Markdown to (X)HTML parser
 # https://github.com/vmg/redcarpet/issues/502
 License: MIT and ISC
@@ -74,6 +74,9 @@ popd
 
 
 %changelog
+* Wed Jan 26 2022 Mamoru TASAKA <mtasaka@fedoraproject.org> - 3.3.2-22
+- F-36: rebuild against ruby31
+
 * Fri Jan 21 2022 Fedora Release Engineering <releng@fedoraproject.org> - 3.3.2-21
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild