diff --git a/ocaml-ocplib-simplex.spec b/ocaml-ocplib-simplex.spec
index a04aed5..7289188 100644
--- a/ocaml-ocplib-simplex.spec
+++ b/ocaml-ocplib-simplex.spec
@@ -7,7 +7,7 @@
 
 Name:           ocaml-%{pkgname}
 Version:        0.3
-Release:        12%{?dist}
+Release:        13%{?dist}
 Summary:        Simplex algorithm for solving systems of linear inequalities
 
 # The same exception to clause 6 as provided by ocaml applies to this package.
@@ -75,6 +75,9 @@ make local-tests
 %{_libdir}/ocaml/*/*.mli
 
 %changelog
+* Fri Jul 13 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.3-13
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
+
 * Wed Jul 11 2018 Richard W.M. Jones <rjones@redhat.com> - 0.3-12
 - OCaml 4.07.0 (final) rebuild.