diff --git a/chrony.spec b/chrony.spec
index 0478638..8211e8e 100644
--- a/chrony.spec
+++ b/chrony.spec
@@ -2,7 +2,7 @@
 
 Name:      chrony
 Version:   4.3
-Release:   1
+Release:   2
 Summary:   An NTP client/server
 License:   GPLv2
 URL:       https://chrony.tuxfamily.org
@@ -13,7 +13,7 @@ Source6:   https://github.com/mlichvar/clknetsim/archive/%{clknetsim_ver}/clknet
 
 Patch1:	   chrony-nm-dispatcher-dhcp.patch
 Patch2:    chrony-services.patch
-BuildRequires: gcc gcc-c++ bison systemd libcap-devel libedit-devel nettle-devel pps-tools-devel libseccomp-devel m4
+BuildRequires: gcc gcc-c++ bison systemd libcap-devel libedit-devel nettle-devel pps-tools-devel libseccomp-devel m4 gnutls-devel gnutls-utils 
 Requires:      shadow-utils systemd timedatex
 
 %description
@@ -138,6 +138,12 @@ fi
 %{_mandir}/man[158]/%{name}*.[158]*
 
 %changelog
+* Sat May 6 2023 chengyechun <chengyechun1@huawei.com> - 4.3-2
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:add BuildRequire for enable NTS
+
 * Mon Jan 30 2023 chengyechun <chengyechun1@huawei.com> - 4.3-1
 - Type:enhancement
 - ID:NA