diff --git a/ldap-sdk-4.22.0.tar.gz b/ldap-sdk-4.22.0.tar.gz
deleted file mode 100644
index 290fe3029e379b0305f730f6ccbbcb383356c779..0000000000000000000000000000000000000000
Binary files a/ldap-sdk-4.22.0.tar.gz and /dev/null differ
diff --git a/ldap-sdk-5.1.0.tar.gz b/ldap-sdk-5.1.0.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..9a500d977e251384e63659c2fe659b5ab3e0fcc0
Binary files /dev/null and b/ldap-sdk-5.1.0.tar.gz differ
diff --git a/ldapjdk.spec b/ldapjdk.spec
index 8ff2cb5582bf551eb17fa4faeef7568ab458f0d3..6e661a947a62c44bbcf44c9e863c2c763067bf71 100644
--- a/ldapjdk.spec
+++ b/ldapjdk.spec
@@ -3,11 +3,11 @@ Summary:             LDAP SDK
 URL:                 http://www.dogtagpki.org/
 License:             MPLv1.1 or GPLv2+ or LGPLv2+
 BuildArch:           noarch
-Version:             4.22.0
-Release:             5
+Version:             5.1.0
+Release:             1
 Source:              https://github.com/dogtagpki/ldap-sdk/archive/v%{version}/ldap-sdk-%{version}.tar.gz
-BuildRequires:       ant java-devel javapackages-local slf4j slf4j-jdk14 jss >= 4.6.0
-Requires:            jpackage-utils >= 0:1.5 slf4j slf4j-jdk14 jss >= 4.6.0
+BuildRequires:       ant java-latest-openjdk-devel javapackages-local slf4j slf4j-jdk14 jss >= 5.1.0
+Requires:            java-latest-openjdk-headless jpackage-utils >= 0:1.5 slf4j slf4j-jdk14 jss >= 5.1.0
 
 %description
 The Mozilla LDAP SDKs enable you to write applications which access,
@@ -21,44 +21,50 @@ Javadoc for ldapjdk
 
 %prep
 %autosetup -n ldap-sdk-%{version} -p 1
-rm -f ./java-sdk/ldapjdk/lib/{jss32_stub,jsse,jnet,jaas,jndi}.jar
 
 %build
-pwd
-( cd  java-sdk/ldapjdk/lib && build-jar-repository -s -p . jss4 )
-ln -s /usr/lib/jvm-exports/java/{jsse,jaas,jndi}.jar java-sdk/ldapjdk/lib
-cd java-sdk
-if [ ! -e "$JAVA_HOME" ] ; then export JAVA_HOME="%{_jvmdir}/java" ; fi
-sh -x ant dist
+home_path=`ls /usr/lib/jvm | grep java-18-openjdk-18`
+export JAVA_HOME=/usr/lib/jvm/${home_path}
+
+./build.sh \
+    %{?_verbose:-v} \
+    --work-dir=%{_vpath_builddir} \
+    dist
 
 %install
 install -d -m 755 $RPM_BUILD_ROOT%{_javadir}
-install -m 644 java-sdk/dist/packages/ldapjdk.jar $RPM_BUILD_ROOT%{_javadir}/ldapjdk.jar
-install -m 644 java-sdk/dist/packages/ldapsp.jar $RPM_BUILD_ROOT%{_javadir}/ldapsp.jar
-install -m 644 java-sdk/dist/packages/ldapfilt.jar $RPM_BUILD_ROOT%{_javadir}/ldapfilt.jar
-install -m 644 java-sdk/dist/packages/ldapbeans.jar $RPM_BUILD_ROOT%{_javadir}/ldapbeans.jar
+install -m 644 %{_vpath_builddir}/packages/ldapjdk.jar $RPM_BUILD_ROOT%{_javadir}/ldapjdk.jar
+install -m 644 %{_vpath_builddir}/packages/ldapsp.jar $RPM_BUILD_ROOT%{_javadir}/ldapsp.jar
+install -m 644 %{_vpath_builddir}/packages/ldapfilt.jar $RPM_BUILD_ROOT%{_javadir}/ldapfilt.jar
+install -m 644 %{_vpath_builddir}/packages/ldapbeans.jar $RPM_BUILD_ROOT%{_javadir}/ldapbeans.jar
 install -d -m 755 $RPM_BUILD_ROOT%{_javadir}-1.3.0
 pushd $RPM_BUILD_ROOT%{_javadir}-1.3.0
 	ln -fs ../java/*ldapsp.jar jndi-ldap.jar
 popd
 mkdir -p %{buildroot}%{_mavenpomdir}
-sed -i 's/@VERSION@/%{version}/g' ldapjdk.pom
-install -pm 644 ldapjdk.pom %{buildroot}%{_mavenpomdir}/JPP-ldapjdk.pom
+sed -i 's/4.22.1-SNAPSHOT/%{version}/g' pom.xml
+install -pm 644 pom.xml %{buildroot}%{_mavenpomdir}/JPP-ldapjdk.pom
 %add_maven_depmap JPP-ldapjdk.pom ldapjdk.jar -a "ldapsdk:ldapsdk"
 install -d -m 755 $RPM_BUILD_ROOT%{_javadocdir}/ldapjdk
-cp -r java-sdk/dist/doc/* $RPM_BUILD_ROOT%{_javadocdir}/ldapjdk
+cp -r %{_vpath_builddir}/doc/* $RPM_BUILD_ROOT%{_javadocdir}/ldapjdk
+
 
 %files -f .mfiles
+%{_javadir}/ldapjdk.jar
 %{_javadir}/ldapsp*.jar
 %{_javadir}/ldapfilt*.jar
 %{_javadir}/ldapbeans*.jar
 %{_javadir}-1.3.0/*.jar
+%{_mavenpomdir}/JPP-ldapjdk.pom
 
 %files javadoc
 %dir %{_javadocdir}/ldapjdk
 %{_javadocdir}/ldapjdk/*
 
 %changelog
+* Thu Jun 2 2022 Ge Wang <wangge20@h-partners.com> - 5.1.0-1
+- DESC: upgrade versoin to 5.1.0
+
 * Fri Jul 30 2021 chenyanpanHW <chenyanpan@huawei.com> - 4.22.0-5
 - DESC: delete -S git from %autosetup, and delete BuildRequires git