diff --git a/.github/workflows/maven-release.yml b/.github/workflows/maven-release.yml
index 01ae594..c412ea8 100644
--- a/.github/workflows/maven-release.yml
+++ b/.github/workflows/maven-release.yml
@@ -31,10 +31,10 @@ jobs:
           metadata-file-path: '.github/project.yml'
           local-file: true
 
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@c5195efecf7bdfc987ee8bae7a71cb8b11521c00 # v4.7.1
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'temurin'
           server-id: central
           server-username: MAVEN_USERNAME
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 51454d7..48bfb51 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        version: [ 17,21,24 ]
+        version: [ 21,24 ]
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
@@ -28,7 +28,7 @@ jobs:
           distribution: 'temurin'
           cache: maven
       - name: Build with Maven, Java ${{ matrix.version }}
-        run: ./mvnw --no-transfer-progress verify -Dmaven.compiler.source=${{ matrix.version }} -Dmaven.compiler.target=${{ matrix.version }}
+        run: ./mvnw --no-transfer-progress verify -Dmaven.compiler.release=${{ matrix.version }}
 
   sonar-build:
     needs: build
@@ -44,10 +44,10 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Set up JDK 17 for Sonar-build
+      - name: Set up JDK 21 for Sonar-build
         uses: actions/setup-java@c5195efecf7bdfc987ee8bae7a71cb8b11521c00 # v4.7.1
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'temurin'
           cache: maven
 
@@ -86,7 +86,7 @@ jobs:
       - name: Set up JDK 17 for snapshot release
         uses: actions/setup-java@c5195efecf7bdfc987ee8bae7a71cb8b11521c00 # v4.7.1
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'temurin'
           server-id: central
           server-username: MAVEN_USERNAME
diff --git a/pom.xml b/pom.xml
index de9009c..4f8a3e2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>de.cuioss</groupId>
         <artifactId>cui-java-parent</artifactId>
-        <version>1.0.2</version>
+        <version>1.1.0</version>
         <relativePath/>
     </parent>
     <artifactId>cui-java-module-template</artifactId>
diff --git a/src/main/java/de/cuioss/template/Hello.java b/src/main/java/de/cuioss/template/Hello.java
index 7ceefce..a400a64 100644
--- a/src/main/java/de/cuioss/template/Hello.java
+++ b/src/main/java/de/cuioss/template/Hello.java
@@ -1,12 +1,12 @@
-/*
- * Copyright 2023 the original author or authors.
- * <p>
+/**
+ * Copyright © 2025 CUI-OpenSource-Software (info@cuioss.de)
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * <p>
- * https://www.apache.org/licenses/LICENSE-2.0
- * <p>
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
diff --git a/src/main/java/module-info.java b/src/main/java/module-info.java
index 6e4123d..0dd9c05 100644
--- a/src/main/java/module-info.java
+++ b/src/main/java/module-info.java
@@ -1,3 +1,18 @@
+/**
+ * Copyright © 2025 CUI-OpenSource-Software (info@cuioss.de)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 module de.cuioss.template {
     exports de.cuioss.template;
 
diff --git a/src/test/java/de/cuioss/template/HelloTest.java b/src/test/java/de/cuioss/template/HelloTest.java
index eeeb39a..7d9fb1f 100644
--- a/src/test/java/de/cuioss/template/HelloTest.java
+++ b/src/test/java/de/cuioss/template/HelloTest.java
@@ -1,12 +1,12 @@
-/*
- * Copyright 2023 the original author or authors.
- * <p>
+/**
+ * Copyright © 2025 CUI-OpenSource-Software (info@cuioss.de)
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * <p>
- * https://www.apache.org/licenses/LICENSE-2.0
- * <p>
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.