diff --git a/ghc-semigroupoids.spec b/ghc-semigroupoids.spec
index f61ec25..cc50247 100644
--- a/ghc-semigroupoids.spec
+++ b/ghc-semigroupoids.spec
@@ -8,7 +8,7 @@
 
 Name:           ghc-%{pkg_name}
 Version:        5.2.1
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Semigroupoids: Category sans id
 
 License:        BSD
@@ -118,6 +118,9 @@ grep "%{_docdir}/ghc/html/libraries/%{pkgver}" %{name}-devel.files > %{name}-dev
 
 
 %changelog
+* Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 5.2.1-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
+
 * Fri Jan 26 2018 Jens Petersen <petersen@redhat.com> - 5.2.1-3
 - rebuild