diff --git a/ghc-cmdargs.spec b/ghc-cmdargs.spec
index dfb34b5..2536542 100644
--- a/ghc-cmdargs.spec
+++ b/ghc-cmdargs.spec
@@ -6,7 +6,7 @@
 
 Name:           ghc-%{pkg_name}
 Version:        0.10.20
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Command line argument processing
 
 License:        BSD
@@ -80,6 +80,9 @@ This package provides the Haskell %{pkg_name} library development files.
 
 
 %changelog
+* Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.10.20-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Sun Feb 17 2019 Jens Petersen <petersen@redhat.com> - 0.10.20-3
 - refresh to cabal-rpm-0.13