diff --git a/ocaml-cppo.spec b/ocaml-cppo.spec
index ff1d7a1..1aa2baf 100644
--- a/ocaml-cppo.spec
+++ b/ocaml-cppo.spec
@@ -5,13 +5,14 @@
 
 Name:           ocaml-cppo
 Version:        1.6.6
-Release:        10%{?dist}.1
+Release:        11%{?dist}
 Summary:        Equivalent of the C preprocessor for OCaml programs
 
 License:        BSD
 URL:            http://mjambon.com/cppo.html
 Source0:        https://github.com/ocaml-community/cppo/archive/v%{version}.tar.gz
 
+BuildRequires: make
 BuildRequires:  ocaml >= 3.10.0
 BuildRequires:  ocaml-findlib
 %if !%{opt}
@@ -68,6 +69,9 @@ make test
 
 
 %changelog
+* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.6.6-11
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Tue Sep 01 2020 Richard W.M. Jones <rjones@redhat.com> - 1.6.6-10
 - OCaml 4.11.1 rebuild