diff --git a/ocaml-calendar.spec b/ocaml-calendar.spec
index e96aeeb..8f5f328 100644
--- a/ocaml-calendar.spec
+++ b/ocaml-calendar.spec
@@ -39,7 +39,7 @@ URL:            https://opam.ocaml.org/packages/calendar
 Source0:        %pkg-%version.tar.xz
 BuildRequires:  ocaml
 BuildRequires:  ocaml-dune
-BuildRequires:  ocaml-rpm-macros >= 20220707
+BuildRequires:  ocaml-rpm-macros >= 20230101
 %if 1
 BuildRequires:  ocamlfind(re)
 BuildRequires:  ocamlfind(unix)