diff --git a/ocaml-odoc.spec b/ocaml-odoc.spec
index 28701b8..cc006c1 100644
--- a/ocaml-odoc.spec
+++ b/ocaml-odoc.spec
@@ -6,7 +6,7 @@
 
 Name:           ocaml-%{srcname}
 Version:        1.5.2
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Documentation compiler for OCaml and Reason
 
 License:        MIT
@@ -137,6 +137,9 @@ dune runtest
 %license LICENSE.md
 
 %changelog
+* Mon Mar  1 2021 Richard W.M. Jones <rjones@redhat.com> - 1.5.2-4
+- OCaml 4.12.0 build
+
 * Tue Feb  2 2021 Richard W.M. Jones <rjones@redhat.com> - 1.5.2-3
 - Bump and rebuild for updated ocaml-camomile dep (RHBZ#1923853).