diff --git a/kronosnet.spec b/kronosnet.spec
index 9b4f247..d0aed9b 100644
--- a/kronosnet.spec
+++ b/kronosnet.spec
@@ -20,7 +20,7 @@
 Name:                kronosnet
 Summary:             Multipoint-to-Multipoint VPN daemon
 Version:             1.20
-Release:             2
+Release:             3
 License:             GPLv2+ and LGPLv2+
 URL:                 https://kronosnet.org
 Source0:             https://kronosnet.org/releases/%{name}-%{version}.tar.gz
@@ -180,9 +180,13 @@ Requires:            pam, /etc/pam.d/passwd
  or service disruption.
 
 %post -n kronosnetd
+/sbin/ldconfig
 %systemd_post kronosnetd.service
 getent group kronosnetadm >/dev/null || groupadd --force --system kronosnetadm
 
+%postun -n kronosnetd
+/sbin/ldconfig
+
 %preun -n kronosnetd
 %systemd_preun kronosnetd.service
 
@@ -441,6 +445,9 @@ Requires:            libknet1%{_isa} = %{version}-%{release}
 %endif
 
 %changelog
+* Fri Dec 09 2022 yaoxin <yaoxin30@h-partners.com> - 1.20-3
+- Add /sbin/ldconfig to post and postun
+
 * Tue Aug 23 2022 yaoxin <yaoxin30@h-partners.com> - 1.20-2
 - Remove rpath