diff --git a/GAPDoc.spec b/GAPDoc.spec
index dc64d60..f106cdd 100644
--- a/GAPDoc.spec
+++ b/GAPDoc.spec
@@ -1,6 +1,6 @@
 Name:           GAPDoc
 Version:        1.6.3
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        GAP documentation tool
 
 # The package is all GPLv2+ except for some of the mathml files
@@ -152,6 +152,9 @@ rm -f %{buildroot}%{_gap_dir}/pkg/%{name}/{CHANGES,GPL,README.md}
 %{_gap_dir}/pkg/%{name}/example/
 
 %changelog
+* Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.6.3-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Tue Jan 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.6.3-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild