diff --git a/0.8.1.tar.gz b/0.8.1.tar.gz
deleted file mode 100644
index f457bad4b061fceb583e1f72c33fa52ef112a084..0000000000000000000000000000000000000000
Binary files a/0.8.1.tar.gz and /dev/null differ
diff --git a/java-libpst-0.9.4.tar.gz b/java-libpst-0.9.4.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..bd38bd46b7185fd4c17863b5a4cfe13f5612f9a7
Binary files /dev/null and b/java-libpst-0.9.4.tar.gz differ
diff --git a/java-libpst.spec b/java-libpst.spec
index 9de8d7d37bab2ac03c5e32d8b9581434a133e2eb..b91bbbe08012cfc4ba7d780e1b79f7ddf5dbb44b 100644
--- a/java-libpst.spec
+++ b/java-libpst.spec
@@ -1,12 +1,14 @@
 Name:                java-libpst
-Version:             0.8.1
+Version:             0.9.4
 Release:             1
 Summary:             A pure Java library for the reading of Outlook PST and OST files
 License:             ASL 2.0 and LGPLv3
 URL:                 https://github.com/rjohnsondev/java-libpst/
-Source0:             https://github.com/rjohnsondev/java-libpst/archive/%{version}.tar.gz
+Source0:             https://github.com/rjohnsondev/%{name}/archive/%{version}/%{name}-%{version}.tar.gz
 Source1:             https://www.gnu.org/licenses/lgpl.txt
+Source2:             https://repo.maven.apache.org/maven2/org/sonatype/oss/oss-parent/7/oss-parent-7.pom
 BuildRequires:       mvn(junit:junit) maven-local
+BuildRequires:       mvn(org.apache.maven.plugins:maven-source-plugin)
 BuildArch:           noarch
 %description
 A library to read PST files with java,
@@ -25,11 +27,43 @@ find -name '*.class' -print -delete
 find -name '*.jar' -print -delete
 %pom_xpath_set "pom:project/pom:version" %{version}
 cp -p %{SOURCE1} LICENSE.LGPL.txt
+cp %{SOURCE2} ../pom.xml
 sed -i 's/\r//' LICENSE.*.txt README.txt
 %mvn_file com.pff:%{name} %{name}
 
+%pom_remove_plugin org.apache.maven.plugins:maven-gpg-plugin
+sed -i 's/& 2/and 2/g' src/main/java/com/pff/PSTGlobalObjectId.java
+MVN_JAVADOC_PLUGIN_EXTRA_XML="<configuration>
+  <sourceFileExcludes>
+    <sourceFileExclude>**/com/pff/PSTActivity.java</sourceFileExclude>
+    <sourceFileExclude>**/com/pff/PSTMessage.java</sourceFileExclude>
+    <sourceFileExclude>**/com/pff/PSTObject.java</sourceFileExclude>
+    <sourceFileExclude>**/com/pff/PSTAttachment.java</sourceFileExclude>
+    <sourceFileExclude>**/com/pff/PSTFile.java</sourceFileExclude>
+    <sourceFileExclude>**/com/pff/PSTGlobalObjectId.java</sourceFileExclude>
+    <sourceFileExclude>**/com/pff/PSTTask.java</sourceFileExclude>
+    <sourceFileExclude>**/com/pff/PSTContact.java</sourceFileExclude>
+    <sourceFileExclude>**/com/pff/PSTFolder.java</sourceFileExclude>
+    <sourceFileExclude>**/com/pff/PSTMessageStore.java</sourceFileExclude>
+    <sourceFileExclude>**/com/pff/PSTNodeInputStream.java</sourceFileExclude>
+    <sourceFileExclude>**/com/pff/PSTRss.java</sourceFileExclude>
+    <sourceFileExclude>**/example/TestGui.java</sourceFileExclude>
+  </sourceFileExcludes>
+</configuration>
+<executions>
+  <execution>
+    <id>attach-javadocs</id>
+    <goals>
+      <goal>jar</goal>
+    </goals>
+  </execution>
+</executions>"
+
+%pom_remove_plugin org.apache.maven.plugins:maven-javadoc-plugin
+%pom_add_plugin org.apache.maven.plugins:maven-javadoc-plugin:3.0.1 . "$MVN_JAVADOC_PLUGIN_EXTRA_XML" 
+
 %build
-%mvn_build
+%mvn_build --xmvn-javadoc
 
 %install
 %mvn_install
@@ -42,5 +76,8 @@ sed -i 's/\r//' LICENSE.*.txt README.txt
 %license LICENSE.APACHE-2.0.txt LICENSE.LGPL.txt
 
 %changelog
+* Mon Jan 29 2024 Ge Wang <wang__ge@126.com> - 0.9.4-1
+- update to version 0.9.4
+
 * Mon Aug 24 2020 huanghaitao <huanghaitao8@huawei.com> - 0.8.1-1
 - package init
diff --git a/oss-parent-7.pom b/oss-parent-7.pom
new file mode 100644
index 0000000000000000000000000000000000000000..39639525562fa3ac47f1d9ccd770d6c1193ee701
--- /dev/null
+++ b/oss-parent-7.pom
@@ -0,0 +1,155 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2007-2011 Sonatype, Inc. All rights reserved.
+  ~
+  ~ This program is licensed to you under the Apache License Version 2.0,
+  ~ and you may not use this file except in compliance with the Apache License Version 2.0.
+  ~ You may obtain a copy of the Apache License Version 2.0 at http://www.apache.org/licenses/LICENSE-2.0.
+  ~
+  ~ Unless required by applicable law or agreed to in writing,
+  ~ software distributed under the Apache License Version 2.0 is distributed on an
+  ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the Apache License Version 2.0 for the specific language governing permissions and limitations there under.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<groupId>org.sonatype.oss</groupId>
+	<artifactId>oss-parent</artifactId>
+	<version>7</version>
+	<packaging>pom</packaging>
+
+	<name>Sonatype OSS Parent</name>
+	<url>http://nexus.sonatype.org/oss-repository-hosting.html</url>
+	<description>Sonatype helps open source projects to set up Maven repositories on https://oss.sonatype.org/ </description>
+
+	<scm>
+		<connection>scm:svn:http://svn.sonatype.org/spice/tags/oss-parent-7</connection>
+		<developerConnection>scm:svn:https://svn.sonatype.org/spice/tags/oss-parent-7</developerConnection>
+		<url>http://svn.sonatype.org/spice/tags/oss-parent-7</url>
+	</scm>
+
+	<repositories>
+		<repository>
+			<id>sonatype-nexus-snapshots</id>
+			<name>Sonatype Nexus Snapshots</name>
+			<url>https://oss.sonatype.org/content/repositories/snapshots</url>
+			<releases>
+				<enabled>false</enabled>
+			</releases>
+			<snapshots>
+				<enabled>true</enabled>
+			</snapshots>
+		</repository>
+	</repositories>
+
+
+	<distributionManagement>
+		<snapshotRepository>
+			<id>sonatype-nexus-snapshots</id>
+			<name>Sonatype Nexus Snapshots</name>
+			<url>${sonatypeOssDistMgmtSnapshotsUrl}</url>
+		</snapshotRepository>
+		<repository>
+			<id>sonatype-nexus-staging</id>
+			<name>Nexus Release Repository</name>
+			<url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+		</repository>
+	</distributionManagement>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-enforcer-plugin</artifactId>
+				<version>1.0</version>
+				<executions>
+					<execution>
+						<id>enforce-maven</id>
+						<goals>
+							<goal>enforce</goal>
+						</goals>
+						<configuration>
+							<rules>
+								<requireMavenVersion>
+									<version>(,2.1.0),(2.1.0,2.2.0),(2.2.0,)</version>
+									<message>Maven 2.1.0 and 2.2.0 produce incorrect GPG signatures and checksums respectively.</message>
+								</requireMavenVersion>
+							</rules>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+		<pluginManagement>
+			<plugins>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-release-plugin</artifactId>
+					<version>2.1</version>
+					<configuration>
+						<mavenExecutorId>forked-path</mavenExecutorId>
+						<useReleaseProfile>false</useReleaseProfile>
+						<arguments>-Psonatype-oss-release</arguments>
+					</configuration>
+				</plugin>
+			</plugins>
+		</pluginManagement>
+	</build>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<sonatypeOssDistMgmtSnapshotsUrl>https://oss.sonatype.org/content/repositories/snapshots/</sonatypeOssDistMgmtSnapshotsUrl>
+	</properties>
+
+	<profiles>
+		<profile>
+			<id>sonatype-oss-release</id>
+			<build>
+				<plugins>
+					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
+						<artifactId>maven-source-plugin</artifactId>
+						<version>2.1.2</version>
+						<executions>
+							<execution>
+								<id>attach-sources</id>
+								<goals>
+									<goal>jar-no-fork</goal>
+								</goals>
+							</execution>
+						</executions>
+					</plugin>
+					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
+						<artifactId>maven-javadoc-plugin</artifactId>
+						<version>2.7</version>
+						<executions>
+							<execution>
+								<id>attach-javadocs</id>
+								<goals>
+									<goal>jar</goal>
+								</goals>
+							</execution>
+						</executions>
+					</plugin>
+					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
+						<artifactId>maven-gpg-plugin</artifactId>
+						<version>1.1</version>
+						<executions>
+							<execution>
+								<id>sign-artifacts</id>
+								<phase>verify</phase>
+								<goals>
+									<goal>sign</goal>
+								</goals>
+							</execution>
+						</executions>
+					</plugin>
+				</plugins>
+			</build>
+		</profile>
+	</profiles>
+
+</project>