diff --git a/ocaml-lablgtk.spec b/ocaml-lablgtk.spec
index eb072b1..2fe9657 100644
--- a/ocaml-lablgtk.spec
+++ b/ocaml-lablgtk.spec
@@ -1,6 +1,6 @@
 Name:           ocaml-lablgtk
 Version:        2.18.11
-Release:        4%{?dist}
+Release:        5%{?dist}
 
 Summary:        Objective Caml interface to gtk+
 
@@ -154,6 +154,9 @@ done
 
 
 %changelog
+* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 2.18.11-5
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Tue Sep 01 2020 Richard W.M. Jones <rjones@redhat.com> - 2.18.11-4
 - OCaml 4.11.1 rebuild