diff --git a/virt-top.changes b/virt-top.changes
index 9e3fb0b..528c95f 100644
--- a/virt-top.changes
+++ b/virt-top.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Mar  3 03:03:03 UTC 2023 - ohering@suse.de
+
+- Require OCaml 4.8 or later for building
+
 -------------------------------------------------------------------
 Mon Apr  4 04:04:04 UTC 2022 - olaf@aepfle.de
 
diff --git a/virt-top.spec b/virt-top.spec
index b22dd4a..3e96832 100644
--- a/virt-top.spec
+++ b/virt-top.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package virt-top
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -26,9 +26,9 @@ Group:          System/Management
 Url:            http://people.redhat.com/~rjones/virt-top/
 Source0:        %name-%version.tar.xz
 Patch0:         %name.patch
-BuildRequires:  ocaml
+BuildRequires:  ocaml(ocaml_base_version) >= 4.08
 BuildRequires:  ocaml-dune
-BuildRequires:  ocaml-rpm-macros >= 20220222
+BuildRequires:  ocaml-rpm-macros >= 20230101
 BuildRequires:  ocamlfind(calendar)
 BuildRequires:  ocamlfind(curses)
 BuildRequires:  ocamlfind(dune.configurator)