diff --git a/ghc-base-compat.spec b/ghc-base-compat.spec
index c5a6012..9ff41bd 100644
--- a/ghc-base-compat.spec
+++ b/ghc-base-compat.spec
@@ -8,7 +8,7 @@
 
 Name:           ghc-%{pkg_name}
 Version:        0.9.1
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        A compatibility layer for base
 
 License:        MIT
@@ -81,6 +81,9 @@ This package provides the Haskell %{pkg_name} library development files.
 
 
 %changelog
+* Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.9.1-5
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Fri Feb 24 2017 Jens Petersen <petersen@redhat.com> - 0.9.1-4
 - refresh to cabal-rpm-0.11.1