diff --git a/OpenImageIO.spec b/OpenImageIO.spec
index afdebee..8151e9a 100644
--- a/OpenImageIO.spec
+++ b/OpenImageIO.spec
@@ -3,7 +3,7 @@
 
 Name:           OpenImageIO
 Version:        2.1.17.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Library for reading and writing images
 
 License:        BSD and MIT
@@ -193,6 +193,10 @@ cp -a src/doc/*.1 %{buildroot}%{_mandir}/man1
 
 
 %changelog
+* Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.1.17.0-4
+- Second attempt - Rebuilt for
+  https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Mon Jul 27 2020 Richard Shaw <hobbes1069@gmail.com> - 2.1.17.0-3
 - Rebuild for unannounced soname bump in libdc1394.