diff --git a/libsigc++20.spec b/libsigc++20.spec
index 667d7f7..5a2ef30 100644
--- a/libsigc++20.spec
+++ b/libsigc++20.spec
@@ -3,7 +3,7 @@
 
 Name:           libsigc++20
 Version:        2.12.1
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Typesafe signal framework for C++
 
 License:        LGPL-2.1-or-later
@@ -81,6 +81,9 @@ chmod -x NEWS
 
 
 %changelog
+* Sun Jan 21 2024 Fedora Release Engineering <releng@fedoraproject.org> - 2.12.1-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
+
 * Sun Oct 01 2023 Kalev Lember <klember@redhat.com> - 2.12.1-1
 - Update to 2.12.1