diff --git a/python-pynest2d.spec b/python-pynest2d.spec
index c358208..9ecbb63 100644
--- a/python-pynest2d.spec
+++ b/python-pynest2d.spec
@@ -11,7 +11,7 @@
 
 Name:           python-pynest2d
 Version:        4.8.0
-Release:        11%{?dist}
+Release:        12%{?dist}
 Summary:        Python bindings for libnest2d
 License:        LGPLv3
 URL:            https://github.com/Ultimaker/pynest2d
@@ -66,6 +66,9 @@ sed -i 's/CMAKE_CXX_STANDARD 11/CMAKE_CXX_STANDARD 14/' CMakeLists.txt
 
 
 %changelog
+* Mon Jan 22 2024 Fedora Release Engineering <releng@fedoraproject.org> - 4.8.0-12
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
+
 * Fri Jul 21 2023 Fedora Release Engineering <releng@fedoraproject.org> - 4.8.0-11
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild