diff --git a/cryptominisat.spec b/cryptominisat.spec
index 64bd3bc..d0b53bc 100644
--- a/cryptominisat.spec
+++ b/cryptominisat.spec
@@ -1,6 +1,6 @@
 Name:           cryptominisat
 Version:        2.9.11
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        SAT solver
 
 # The Mersenne Twister implementation is BSD-licensed.
@@ -90,6 +90,9 @@ rm -f %{buildroot}%{_libdir}/*.la
 %{_libdir}/lib%{name}-%{version}.so
 
 %changelog
+* Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.9.11-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Mon May 15 2017 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.9.11-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_27_Mass_Rebuild