diff --git a/unifdef.spec b/unifdef.spec
index 9d7d3ba..99a27f7 100644
--- a/unifdef.spec
+++ b/unifdef.spec
@@ -1,7 +1,7 @@
 Summary: Tool for removing ifdef'd lines
 Name: unifdef
 Version: 2.10
-Release: 20%{?dist}
+Release: 21%{?dist}
 License: BSD
 URL: http://dotat.at/prog/unifdef/
 Source0: http://dotat.at/prog/unifdef/unifdef-%{version}.tar.xz
@@ -39,5 +39,9 @@ install -p -m0644 unifdef.1 $RPM_BUILD_ROOT%{_mandir}/man1/unifdef.1
 
 
 %changelog
+* Thu Apr 20 2023 Michael Catanzaro <mcatanzaro@redhat.com> - 2.10-21
+- Rebuild for CRB
+  Related: #2180559
+
 * Tue Apr 18 2023 Michael Catanzaro <mcatanzaro@redhat.com> - 2.10-20
 - Import from Fedora. Sorry, cannot keep the changelog history.