diff --git a/ocaml-mmap.spec b/ocaml-mmap.spec
index 9b3d0f4..fb9c838 100644
--- a/ocaml-mmap.spec
+++ b/ocaml-mmap.spec
@@ -1,6 +1,6 @@
 Name:           ocaml-mmap
 Version:        1.1.0
-Release:        12%{?dist}
+Release:        13%{?dist}
 Summary:        File mapping functionality
 
 %global libname mmap
@@ -65,6 +65,9 @@ dune runtest
 
 
 %changelog
+* Fri Aug 21 2020 Richard W.M. Jones <rjones@redhat.com> - 1.1.0-13
+- OCaml 4.11.0 rebuild
+
 * Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.0-12
 - Second attempt - Rebuilt for
   https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild