diff --git a/README.md b/README.md
index 1a54a7b2ba4328a8a5b0144c943753e45497561a..017a6423785e0a3b551396f539c0476f20e233cf 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ AUtil (ACANX-Util) ACANX open source tool library, encapsulating common tool met
 <dependency>
   <groupId>com.acanx.util</groupId>
   <artifactId>autil-core</artifactId>
-  <version>0.3.0</version>
+  <version>0.4.0</version>
 </dependency>
 ```
 
diff --git a/README_CN.md b/README_CN.md
index 4117488b971da8b4d4067c4c1c5d7dc048cddfce..70eefdc0423da6cd02b5d4565fccd32f6e53b1b2 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -20,7 +20,7 @@ AUtil(ACANX-Util) ACANX开源的工具库，封装了字符串、文件、IO、
 <dependency>
   <groupId>com.acanx.util</groupId>
   <artifactId>autil-core</artifactId>
-  <version>0.3.0</version>
+  <version>0.4.0</version>
 </dependency>
 ```
 
diff --git a/pom.xml b/pom.xml
index d19804a7b8dc223109aa20907b13de156b643d01..22f20b20e62f21a0893bd213e523ad5572780525 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
   <url>https://github.com/ACANX/AUtil</url>
   <inceptionYear>2019</inceptionYear>
   <scm>
-    <tag>V0.3.x</tag>
+    <tag>V0.4.x</tag>
     <url>git@github.com:ACANX/AUtil.git</url>
     <connection>scm:git:git@github.com:ACANX/AUtil.git</connection>
     <developerConnection>scm:git:git@github.com:ACANX/AUtil.git</developerConnection>
@@ -33,12 +33,12 @@
     </license>
   </licenses>
   <properties>
-    <revision>0.3.0</revision>
+    <revision>0.4.0</revision>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    <java.version>17</java.version>
-    <maven.compiler.source>17</maven.compiler.source>
-    <maven.compiler.target>17</maven.compiler.target>
+    <java.version>21</java.version>
+    <maven.compiler.source>21</maven.compiler.source>
+    <maven.compiler.target>21</maven.compiler.target>
     <maven-compiler-plugin.version>3.14.0</maven-compiler-plugin.version>
     <maven-deploy-plugin.version>3.1.2</maven-deploy-plugin.version>
     <maven-surefire-plugin.version>3.5.0</maven-surefire-plugin.version>