diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 321c6a1..b2a2c96 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -15,13 +15,13 @@ on:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
     permissions:
       contents: read
 
     steps:
     - uses: actions/checkout@v4
+
     - name: Set up JDK 21
       uses: actions/setup-java@v4
       with:
@@ -32,31 +32,29 @@ jobs:
     # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
     # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
     - name: Setup Gradle
-      uses: gradle/actions/setup-gradle@af1da67850ed9a4cedd57bfd976089dd991e2582 # v4.0.0
+      uses: gradle/actions/setup-gradle@af1da67850ed9a4cedd57bfd976089dd991e2582
 
+    # Schritt 1: Erzeuge den Gradle Wrapper, falls dieser nicht vorhanden ist.
+    - name: Generate Gradle Wrapper
+      run: gradle wrapper --gradle-version 8.9
+
+    # Schritt 2: Stelle sicher, dass das Wrapper-Skript ausführbar ist.
+    - name: Make gradlew executable
+      run: chmod +x gradlew
+
+    # Schritt 3: Führe den Build mit dem Gradle Wrapper durch.
     - name: Build with Gradle Wrapper
       run: ./gradlew build
 
-    # NOTE: The Gradle Wrapper is the default and recommended way to run Gradle (https://docs.gradle.org/current/userguide/gradle_wrapper.html).
-    # If your project does not have the Gradle Wrapper configured, you can use the following configuration to run Gradle with a specified version.
-    #
-    # - name: Setup Gradle
-    #   uses: gradle/actions/setup-gradle@af1da67850ed9a4cedd57bfd976089dd991e2582 # v4.0.0
-    #   with:
-    #     gradle-version: '8.9'
-    #
-    # - name: Build with Gradle 8.9
-    #   run: gradle build
-
   dependency-submission:
-
     runs-on: ubuntu-latest
     permissions:
       contents: write
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up JDK 17
+
+    - name: Set up JDK 21
       uses: actions/setup-java@v4
       with:
         java-version: '21'
@@ -65,4 +63,4 @@ jobs:
     # Generates and submits a dependency graph, enabling Dependabot Alerts for all project dependencies.
     # See: https://github.com/gradle/actions/blob/main/dependency-submission/README.md
     - name: Generate and submit dependency graph
-      uses: gradle/actions/dependency-submission@af1da67850ed9a4cedd57bfd976089dd991e2582 # v4.0.0
+      uses: gradle/actions/dependency-submission@af1da67850ed9a4cedd57bfd976089dd991e2582