diff --git a/README.md b/README.md
index b6bb819..5fc2cc5 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ The examples of declaring that repository and the dependency on this package in
     <dependency>
       <groupId>io.github.sttk</groupId>
       <artifactId>sabi</artifactId>
-      <version>0.7.0</version>
+      <version>0.8.0</version>
     </dependency>
   </dependencies>
 ```
@@ -43,7 +43,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'io.github.sttk:sabi:0.7.0'
+  implementation 'io.github.sttk:sabi:0.8.0'
 }
 ```
 
@@ -215,9 +215,9 @@ See the file LICENSE in this distribution for more details.
 
 
 [repo-url]: https://github.com/sttk/sabi-java
-[mvn-img]: https://img.shields.io/badge/maven_central-0.7.0-276bdd.svg
-[mvn-url]: https://central.sonatype.com/artifact/io.github.sttk/sabi/0.7.0
-[mvnrepo-img]: https://img.shields.io/badge/mvn_repository-0.7.0-498df4.svg
+[mvn-img]: https://img.shields.io/badge/maven_central-0.8.0-276bdd.svg
+[mvn-url]: https://central.sonatype.com/artifact/io.github.sttk/sabi/0.8.0
+[mvnrepo-img]: https://img.shields.io/badge/mvn_repository-0.8.0-498df4.svg
 [mvnrepo-url]: https://mvnrepository.com/artifact/io.github.sttk/sabi
 [io-img]: https://img.shields.io/badge/github.io-Javadoc-4d7a97.svg
 [io-url]: https://sttk.github.io/sabi-java/
diff --git a/pom.xml b/pom.xml
index f37b068..cc82adf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
   <groupId>io.github.sttk</groupId>
   <artifactId>sabi</artifactId>
-  <version>0.7.0</version>
+  <version>0.8.0</version>
   <packaging>jar</packaging>
 
   <name>sabi</name>
diff --git a/src/main/java/com/github/sttk/sabi/internal/DataConnContainer.java b/src/main/java/com/github/sttk/sabi/internal/DataConnContainer.java
index 86686ec..e3bc666 100644
--- a/src/main/java/com/github/sttk/sabi/internal/DataConnContainer.java
+++ b/src/main/java/com/github/sttk/sabi/internal/DataConnContainer.java
@@ -1,6 +1,6 @@
 /*
  * DataConnContainer.java
- * Copyright (C) 2025 Takayuki Sato. All Rights Reserved.
+ * Copyright (C) 2025-2026 Takayuki Sato. All Rights Reserved.
  */
 package com.github.sttk.sabi.internal;
 
diff --git a/src/main/java/com/github/sttk/sabi/internal/DataConnList.java b/src/main/java/com/github/sttk/sabi/internal/DataConnList.java
index ff59acb..c897da5 100644
--- a/src/main/java/com/github/sttk/sabi/internal/DataConnList.java
+++ b/src/main/java/com/github/sttk/sabi/internal/DataConnList.java
@@ -1,6 +1,6 @@
 /*
  * DataConnList.java
- * Copyright (C) 2025 Takayuki Sato. All Rights Reserved.
+ * Copyright (C) 2025-2026 Takayuki Sato. All Rights Reserved.
  */
 package com.github.sttk.sabi.internal;
 
diff --git a/src/main/java/com/github/sttk/sabi/internal/DataSrcContainer.java b/src/main/java/com/github/sttk/sabi/internal/DataSrcContainer.java
index b7899a6..23fc32f 100644
--- a/src/main/java/com/github/sttk/sabi/internal/DataSrcContainer.java
+++ b/src/main/java/com/github/sttk/sabi/internal/DataSrcContainer.java
@@ -1,6 +1,6 @@
 /*
  * DataSrcContainer.java
- * Copyright (C) 2025 Takayuki Sato. All Rights Reserved.
+ * Copyright (C) 2025-2026 Takayuki Sato. All Rights Reserved.
  */
 package com.github.sttk.sabi.internal;
 
diff --git a/src/main/java/com/github/sttk/sabi/package-info.java b/src/main/java/com/github/sttk/sabi/package-info.java
index 33f404f..02a0eae 100644
--- a/src/main/java/com/github/sttk/sabi/package-info.java
+++ b/src/main/java/com/github/sttk/sabi/package-info.java
@@ -6,6 +6,6 @@
 /**
  * Provides classes and interfaces of sabi framework.
  *
- * @version 0.7
+ * @version 0.8
  */
 package com.github.sttk.sabi;
diff --git a/src/main/java/module-info.java b/src/main/java/module-info.java
index 486534f..ecced99 100644
--- a/src/main/java/module-info.java
+++ b/src/main/java/module-info.java
@@ -9,7 +9,7 @@
  * <p>This module includes the interfaces that abstracts data accesses to the external data stores
  * and the classes to execute a logic function with or without transaction operations.
  *
- * @version 0.7
+ * @version 0.8
  */
 module com.github.sttk.sabi {
   exports com.github.sttk.sabi;