diff --git a/mybatis-spring-boot-autoconfigure/pom.xml b/mybatis-spring-boot-autoconfigure/pom.xml
index 6c7636f95..e510185de 100644
--- a/mybatis-spring-boot-autoconfigure/pom.xml
+++ b/mybatis-spring-boot-autoconfigure/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2015-2024 the original author or authors.
+       Copyright 2015-2023 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-autoconfigure</artifactId>
   <name>mybatis-spring-boot-autoconfigure</name>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-annotation/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-annotation/pom.xml
index 8405e9d80..282a9d993 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-annotation/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-annotation/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2015-2024 the original author or authors.
+       Copyright 2015-2023 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-annotation</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker-legacy/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker-legacy/pom.xml
index 02bf274c3..c8e497d64 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker-legacy/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker-legacy/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2015-2024 the original author or authors.
+       Copyright 2015-2023 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-freemarker-legacy</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker/pom.xml
index 7beea6edb..afad0a5f0 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2015-2024 the original author or authors.
+       Copyright 2015-2023 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-freemarker</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-groovy/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-groovy/pom.xml
index fc4db4d62..fd2c2b4d6 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-groovy/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-groovy/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-groovy</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-kotlin/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-kotlin/pom.xml
index 7823186eb..24c9b0644 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-kotlin/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-kotlin/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-kotlin</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-thymeleaf/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-thymeleaf/pom.xml
index 2e9edebfb..2aa5780bd 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-thymeleaf/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-thymeleaf/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2015-2024 the original author or authors.
+       Copyright 2015-2023 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-thymeleaf</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity-legacy/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity-legacy/pom.xml
index 457caecb9..a0270b795 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity-legacy/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity-legacy/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-velocity-legacy</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity/pom.xml
index 20c2971a0..c86bab86f 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2015-2024 the original author or authors.
+       Copyright 2015-2023 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-velocity</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-war/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-war/pom.xml
index c1e24b81d..e77ca4c6d 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-war/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-war/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-war</artifactId>
   <packaging>war</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-web/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-web/pom.xml
index 8a93bae62..ce663c46f 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-web/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-web/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2015-2024 the original author or authors.
+       Copyright 2015-2023 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-web</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-xml/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-xml/pom.xml
index 04eb27061..c54bb12ac 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-xml/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-xml/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2015-2024 the original author or authors.
+       Copyright 2015-2023 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-xml</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/pom.xml b/mybatis-spring-boot-samples/pom.xml
index a3261db2f..14a9ab91f 100644
--- a/mybatis-spring-boot-samples/pom.xml
+++ b/mybatis-spring-boot-samples/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2015-2024 the original author or authors.
+       Copyright 2015-2023 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-samples</artifactId>
   <packaging>pom</packaging>
diff --git a/mybatis-spring-boot-starter-test/pom.xml b/mybatis-spring-boot-starter-test/pom.xml
index 3fbdeab57..70af4f319 100644
--- a/mybatis-spring-boot-starter-test/pom.xml
+++ b/mybatis-spring-boot-starter-test/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2015-2024 the original author or authors.
+       Copyright 2015-2023 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-starter-test</artifactId>
   <name>mybatis-spring-boot-starter-test</name>
diff --git a/mybatis-spring-boot-starter/pom.xml b/mybatis-spring-boot-starter/pom.xml
index 5c37edc5a..145df52eb 100644
--- a/mybatis-spring-boot-starter/pom.xml
+++ b/mybatis-spring-boot-starter/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2015-2024 the original author or authors.
+       Copyright 2015-2023 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-starter</artifactId>
   <name>mybatis-spring-boot-starter</name>
diff --git a/mybatis-spring-boot-test-autoconfigure/pom.xml b/mybatis-spring-boot-test-autoconfigure/pom.xml
index d4eacf792..e4319b9f4 100644
--- a/mybatis-spring-boot-test-autoconfigure/pom.xml
+++ b/mybatis-spring-boot-test-autoconfigure/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-       Copyright 2015-2024 the original author or authors.
+       Copyright 2015-2023 the original author or authors.
 
        Licensed under the Apache License, Version 2.0 (the "License");
        you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot</artifactId>
-    <version>3.0.4</version>
+    <version>3.0.4-SNAPSHOT</version>
   </parent>
   <artifactId>mybatis-spring-boot-test-autoconfigure</artifactId>
   <name>mybatis-spring-boot-test-autoconfigure</name>
diff --git a/pom.xml b/pom.xml
index 0f7a10873..4f5f0e253 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
 
   <groupId>org.mybatis.spring.boot</groupId>
   <artifactId>mybatis-spring-boot</artifactId>
-  <version>3.0.4</version>
+  <version>3.0.4-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>mybatis-spring-boot</name>
@@ -48,7 +48,7 @@
   <scm>
     <connection>scm:git:ssh://git@github.com/mybatis/spring-boot-starter.git</connection>
     <developerConnection>scm:git:ssh://git@github.com/mybatis/spring-boot-starter.git</developerConnection>
-    <tag>mybatis-spring-boot-3.0.4</tag>
+    <tag>HEAD</tag>
     <url>https://github.com/mybatis/spring-boot-starter/</url>
   </scm>
   <issueManagement>
@@ -82,7 +82,7 @@
     <argLine>--add-opens java.base/java.lang=ALL-UNNAMED -Dfile.encoding=UTF-8</argLine>
 
     <!-- Reproducible Builds -->
-    <project.build.outputTimestamp>1732670533</project.build.outputTimestamp>
+    <project.build.outputTimestamp>1700807562</project.build.outputTimestamp>
 
     <module.name>org.mybatis.spring.boot</module.name>