diff --git a/libpng.spec b/libpng.spec
index 6a9f85a..af2b677 100644
--- a/libpng.spec
+++ b/libpng.spec
@@ -2,7 +2,7 @@ Summary:       A library of functions for manipulating PNG image format files
 Name:          libpng
 Epoch:         2
 Version:       1.6.37
-Release:       4%{?dist}
+Release:       5%{?dist}
 License:       zlib
 URL:           http://www.libpng.org/pub/png/
 
@@ -102,6 +102,9 @@ make check
 %{_bindir}/pngfix
 
 %changelog
+* Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2:1.6.37-5
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Mon Jul 13 2020 Tom Stellard <tstellar@redhat.com> - 2:1.6.37-4
 - Use make macros
 - https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro