diff --git a/.github/workflows/checkBuild.yml b/.github/workflows/checkBuild.yml
index cd0bb79..c23ac42 100644
--- a/.github/workflows/checkBuild.yml
+++ b/.github/workflows/checkBuild.yml
@@ -25,7 +25,7 @@ jobs:
         distribution: [temurin]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       
     - name: Set up JDK
       uses: actions/setup-java@v3
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 609af70..53d1c12 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
   check_code: # Validates the code
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       
     - name: Set up JDK
       uses: actions/setup-java@v3
@@ -52,7 +52,7 @@ jobs:
     outputs:
       upload_url: ${{ steps.create_release.outputs.upload_url }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       
     - name: Configure Git
       run: |
@@ -111,7 +111,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [prepare_release]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     
     - name: Init Git and pull
       run: |
@@ -143,7 +143,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [prepare_release]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       
     - name: Init Git and pull
       run: |
@@ -197,7 +197,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [publish_central]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       
     - name: Init Git and pull
       run: |
diff --git a/.github/workflows/sonar.yml b/.github/workflows/sonar.yml
index 171b60d..f7c82af 100644
--- a/.github/workflows/sonar.yml
+++ b/.github/workflows/sonar.yml
@@ -26,7 +26,7 @@ jobs:
     # Dependabot PRs have no access to secrets (SONAR_TOKEN) -> Ignore them
     if: ${{ github.event_name != 'pull_request' || !startsWith(github.head_ref, 'dependabot/') }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
 
diff --git a/.github/workflows/test-deploy.yml b/.github/workflows/test-deploy.yml
index 3e44f39..d2a8e2f 100644
--- a/.github/workflows/test-deploy.yml
+++ b/.github/workflows/test-deploy.yml
@@ -10,7 +10,7 @@ jobs:
   publish_central: # Publish the code to central
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     
     - name: Set up JDK OSSRH
       uses: actions/setup-java@v3
diff --git a/.github/workflows/update-from-template.yml b/.github/workflows/update-from-template.yml
index 887553d..fc7a684 100644
--- a/.github/workflows/update-from-template.yml
+++ b/.github/workflows/update-from-template.yml
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           # Required because otherwise there are always changes detected when executing diff/rev-list
           fetch-depth: 0
diff --git a/openapi-client-maven-template/pom.xml b/openapi-client-maven-template/pom.xml
index 868211d..69b0ea2 100644
--- a/openapi-client-maven-template/pom.xml
+++ b/openapi-client-maven-template/pom.xml
@@ -328,7 +328,7 @@
 					<plugin>
 						<groupId>org.openapitools</groupId>
 						<artifactId>openapi-generator-maven-plugin</artifactId>
-						<version>6.6.0</version>
+						<version>7.0.0</version>
 						<executions>
 							<execution>
 								<goals>