diff --git a/ghc-byteorder.spec b/ghc-byteorder.spec
index 2410f14..a3e8fb8 100644
--- a/ghc-byteorder.spec
+++ b/ghc-byteorder.spec
@@ -6,7 +6,7 @@
 
 Name:           ghc-%{pkg_name}
 Version:        1.0.4
-Release:        20%{?dist}
+Release:        21%{?dist}
 Summary:        Exposes the native endianness or byte ordering of the system
 
 License:        BSD
@@ -98,6 +98,9 @@ This package provides the Haskell %{pkg_name} profiling library.
 
 
 %changelog
+* Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.4-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Fri Jul 17 2020 Jens Petersen <petersen@redhat.com> - 1.0.4-20
 - refresh to cabal-rpm-2.0.6