diff --git a/ghc-reducers.spec b/ghc-reducers.spec
index 95386ef..6e97fbb 100644
--- a/ghc-reducers.spec
+++ b/ghc-reducers.spec
@@ -6,7 +6,7 @@
 
 Name:           ghc-%{pkg_name}
 Version:        3.12.3
-Release:        10%{?dist}
+Release:        11%{?dist}
 Summary:        Semigroups, specialized containers and general map/reduce
 
 License:        BSD
@@ -110,6 +110,9 @@ cp -bp %{SOURCE1} %{pkg_name}.cabal
 
 
 %changelog
+* Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 3.12.3-11
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Fri Jul 17 2020 Jens Petersen <petersen@redhat.com> - 3.12.3-10
 - refresh to cabal-rpm-2.0.6