diff --git a/mosquitto.spec b/mosquitto.spec
index 60ea7c8a3a76b7c8058416592a620f844125135f..0240040754d6d99875763da545bbceaa0815c82e 100644
--- a/mosquitto.spec
+++ b/mosquitto.spec
@@ -1,6 +1,6 @@
 Name:                mosquitto
 Version:             2.0.20
-Release:             2
+Release:             3
 Summary:             Open Source MQTT v3.1/v3.1.1 Broker
 License:             EPL-1.0
 URL:                 https://mosquitto.org/
@@ -18,6 +18,7 @@ BuildRequires:       systemd-devel
 BuildRequires:       uthash-devel
 BuildRequires:       /usr/bin/xsltproc
 Requires(pre):       shadow-utils
+Conflicts:           mosquitto-devel < 2.0.20-3
 %{?systemd_requires}
 
 %description
@@ -74,6 +75,7 @@ exit 0
 %{_bindir}/*
 %{_sbindir}/*
 %{_libdir}/*.so.*
+%{_libdir}/mosquitto_dynamic_security.so
 %dir %{_sysconfdir}/%{name}
 %config(noreplace) %{_sysconfdir}/%{name}/%{name}.conf
 %config(noreplace) %{_sysconfdir}/%{name}/*.example
@@ -85,11 +87,14 @@ exit 0
 
 %files devel
 %{_includedir}/*.h
-%{_libdir}/*.so
+%{_libdir}/libmosquitto*.so
 %{_libdir}/pkgconfig/*.pc
 %{_mandir}/man3/*.3*
 
 %changelog
+* Tue Nov 12 2024 Funda Wang <fundawang@yeah.net> - 2.0.20-3
+- move mosquitto_dynamic_security into main package
+
 * Mon Nov 11 2024 Funda Wang <fundawang@yeah.net> - 2.0.20-2
 - adopt to new cmake macro