diff --git a/ocaml-mmap.spec b/ocaml-mmap.spec
index 16a40a4..c4929d2 100644
--- a/ocaml-mmap.spec
+++ b/ocaml-mmap.spec
@@ -1,6 +1,6 @@
 Name:           ocaml-mmap
 Version:        1.1.0
-Release:        15%{?dist}
+Release:        16%{?dist}
 Summary:        File mapping functionality
 
 %global libname mmap
@@ -65,6 +65,9 @@ dune runtest
 
 
 %changelog
+* Mon Mar  1 11:02:41 GMT 2021 Richard W.M. Jones <rjones@redhat.com> - 1.1.0-16
+- OCaml 4.12.0 build
+
 * Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.0-15
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild