diff --git a/bluez.spec b/bluez.spec
index b01fb509ef6cc7a0787f676aca13acec424e43b6..7dabe3f3c5981ca9ff3a30ac48413795a9a60482 100644
--- a/bluez.spec
+++ b/bluez.spec
@@ -1,7 +1,7 @@
 Name:             bluez
 Summary:          Bluetooth utilities
 Version:          5.54
-Release:          20
+Release:          21
 License:          GPLv2+
 URL:              http://www.bluez.org/
 Source0:          http://www.kernel.org/pub/linux/bluetooth/bluez-%{version}.tar.xz
@@ -46,7 +46,7 @@ BuildRequires:    dbus-devel >= 1.6 libell-devel >= 0.28 autoconf
 BuildRequires:    glib2-devel libical-devel readline-devel 
 BuildRequires:    json-c-devel systemd-devel cups-devel libtool automake 
 Requires:         dbus >= 1.6 %{name}-libs = %{version}-%{release}
-Requires(post):   systemd
+Requires(post):   systemd systemd-udev
 Requires(preun):  systemd
 Requires(postun): systemd
 Provides:         bluez-hid2hci = %{version}-%{release} 
@@ -197,6 +197,9 @@ make check
 %{_mandir}/man8/*
 
 %changelog
+* Wed Oct 15 2025 changtao <changtao@kylinos.cn> - 5.54-21
+- modify spec file for %post error when yum update include systemd and bluez
+
 * Tue Jun 4 2024 xuchenchen <xuchenchen@kylinos.cn> - 5.54-20
 - mgmt: Fix crash after pair command