diff --git a/libijs.spec b/libijs.spec
index c19865e..ff8bdd6 100644
--- a/libijs.spec
+++ b/libijs.spec
@@ -13,7 +13,7 @@
 Name:             libijs
 Summary:          IJS Raster Image Transport Protocol Library
 Version:          0.35
-Release:          20%{?dist}
+Release:          21%{?dist}
 
 License:          AGPL-3.0-or-later
 
@@ -135,6 +135,9 @@ install -m 0644 -p ijs_spec.pdf %{buildroot}%{_docdir}/%{name}
 # =============================================================================
 
 %changelog
+* Sun Jan 21 2024 Fedora Release Engineering <releng@fedoraproject.org> - 0.35-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
+
 * Tue Jan 09 2024 Zdenek Dohnal <zdohnal@redhat.com> - 0.35-20
 - fix FTBFS with GCC 14