diff --git a/ocaml-ancient.spec b/ocaml-ancient.spec
index af39a84..0561a49 100644
--- a/ocaml-ancient.spec
+++ b/ocaml-ancient.spec
@@ -4,7 +4,7 @@
 
 Name:           ocaml-ancient
 Version:        0.9.0
-Release:        58%{?dist}
+Release:        59%{?dist}
 Summary:        OCaml library for large memory structures and sharing
 License:        LGPLv2+ with exceptions
 
@@ -119,6 +119,9 @@ chrpath --delete $OCAMLFIND_DESTDIR/stublibs/dll*.so
 
 
 %changelog
+* Mon Mar  1 17:41:01 GMT 2021 Richard W.M. Jones <rjones@redhat.com> - 0.9.0-59
+- OCaml 4.12.0 build
+
 * Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.9.0-58
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild