diff --git a/ocaml-curses.spec b/ocaml-curses.spec
index 12afde2..1200e28 100644
--- a/ocaml-curses.spec
+++ b/ocaml-curses.spec
@@ -2,13 +2,14 @@
 
 Name:           ocaml-curses
 Version:        1.0.4
-Release:        19.1%{?dist}
+Release:        20%{?dist}
 Summary:        OCaml bindings for ncurses
 License:        LGPLv2+
 
 URL:            http://savannah.nongnu.org/projects/ocaml-tmk/
 Source0:        http://download.savannah.gnu.org/releases/ocaml-tmk/%{name}-%{version}.tar.gz
 
+BuildRequires: make
 BuildRequires:  ocaml >= 4.00.1
 BuildRequires:  ocaml-findlib-devel >= 1.3.3-3
 BuildRequires:  ncurses-devel
@@ -87,6 +88,9 @@ ocamlfind install curses META *.cmi *.cma *.a *.so *.mli
 
 
 %changelog
+* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.4-20
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Tue Sep 01 2020 Richard W.M. Jones <rjones@redhat.com> - 1.0.4-19
 - OCaml 4.11.1 rebuild