diff --git a/ocaml-ocamlbuild.spec b/ocaml-ocamlbuild.spec
index c5f955d..3e0262a 100644
--- a/ocaml-ocamlbuild.spec
+++ b/ocaml-ocamlbuild.spec
@@ -4,7 +4,7 @@
 
 Name:          ocaml-ocamlbuild
 Version:       0.9.3
-Release:       6%{?dist}
+Release:       7%{?dist}
 
 Summary:       Build tool for OCaml libraries and programs
 
@@ -106,6 +106,9 @@ rm $RPM_BUILD_ROOT%{_libdir}/ocaml/ocamlbuild/META
 
 
 %changelog
+* Fri Dec 22 2017 Richard W.M. Jones <rjones@redhat.com> - 0.9.3-7
+- Bump and rebuild against unix.cma (RHBZ#1528513).
+
 * Sat Feb 11 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.9.3-6
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild