diff --git a/ocserv.changes b/ocserv.changes
index 6f69252..458a23d 100644
--- a/ocserv.changes
+++ b/ocserv.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Aug 23 15:09:09 UTC 2024 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- BuildRequire /usr/bin/ronn instead of rubygem(ronn): there are
+  alternatives around and the build does not care wich one is used.
+
 -------------------------------------------------------------------
 Wed May 15 12:58:13 UTC 2024 - Андрей Кувшинов <m407@mail.ru>
 
diff --git a/ocserv.spec b/ocserv.spec
index 0f2f158..f7a433d 100644
--- a/ocserv.spec
+++ b/ocserv.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package ocserv
 #
-# Copyright (c) 2023 SUSE LLC
+# Copyright (c) 2024 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -48,6 +48,7 @@ BuildRequires:  gpg2
 BuildRequires:  ipcalc
 BuildRequires:  libev-devel
 #!BuildIgnore:  libevent-devel
+BuildRequires:  /usr/bin/ronn
 BuildRequires:  libgnutls-devel >= 3.1.10
 BuildRequires:  liblz4-devel
 BuildRequires:  libmaxminddb-devel
@@ -62,7 +63,6 @@ BuildRequires:  protobuf-c
 BuildRequires:  readline-devel
 BuildRequires:  pkgconfig(liboath)
 BuildRequires:  pkgconfig(libsystemd)
-BuildRequires:  rubygem(ronn)
 # /usr/bin/certtool for generating certificates
 Requires:       gnutls >= 3.1.10
 %{?systemd_requires}