diff --git a/z3.spec b/z3.spec
index 94b9db9..40f7341 100644
--- a/z3.spec
+++ b/z3.spec
@@ -8,7 +8,7 @@
 
 Name:           z3
 Version:        4.5.0
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        Satisfiability Modulo Theories (SMT) solver
 
 License:        MIT
@@ -249,6 +249,9 @@ mv %{buildroot}%{_prefix}/lib/lib%{name}java.so %{buildroot}%{_libdir}/%{name}
 %{python2_sitearch}/%{name}/
 
 %changelog
+* Tue Aug 08 2017 Richard W.M. Jones <rjones@redhat.com> - 4.5.0-6
+- OCaml 4.05.0 rebuild.
+
 * Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 4.5.0-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild