diff --git a/vapoursynth.spec b/vapoursynth.spec
index 212bf46..0cf9a3f 100644
--- a/vapoursynth.spec
+++ b/vapoursynth.spec
@@ -4,7 +4,7 @@
 
 Name:       vapoursynth
 Version:    51
-Release:    3%{?dist}
+Release:    4%{?dist}
 Summary:    Video processing framework with simplicity in mind
 License:    LGPLv2
 URL:        http://www.vapoursynth.com
@@ -157,6 +157,9 @@ rm -fr %{buildroot}%{_docdir}/%{name}
 
 
 %changelog
+* Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 51-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
+
 * Fri Jun 04 2021 Python Maint <python-maint@redhat.com> - 51-3
 - Rebuilt for Python 3.10