diff --git a/ghc-pipes.spec b/ghc-pipes.spec
index bbe1475..817497f 100644
--- a/ghc-pipes.spec
+++ b/ghc-pipes.spec
@@ -8,7 +8,7 @@
 
 Name:           ghc-%{pkg_name}
 Version:        4.3.13
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Compositional pipelines
 
 License:        BSD
@@ -121,6 +121,10 @@ This package provides the Haskell %{pkg_name} profiling library.
 
 
 %changelog
+* Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 4.3.13-4
+- Second attempt - Rebuilt for
+  https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 4.3.13-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild