diff --git a/gap-pkg-jupyterviz.spec b/gap-pkg-jupyterviz.spec
index 192a597..6a891c8 100644
--- a/gap-pkg-jupyterviz.spec
+++ b/gap-pkg-jupyterviz.spec
@@ -2,7 +2,7 @@
 
 Name:           gap-pkg-%{pkgname}
 Version:        1.5.6
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Jupyter notebook visualization tools for GAP
 
 License:        GPL-2.0-or-later
@@ -72,6 +72,9 @@ gap -l "%{buildroot}%{gap_libdir};" tst/testall.g
 %{gap_libdir}/pkg/%{pkgname}/examples/
 
 %changelog
+* Wed Jul 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1.5.6-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
+
 * Thu Jan 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1.5.6-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild