diff --git a/.github/actions/unit-tests/action.yml b/.github/actions/unit-tests/action.yml
index 1e3e8952..7e53ef4e 100644
--- a/.github/actions/unit-tests/action.yml
+++ b/.github/actions/unit-tests/action.yml
@@ -7,7 +7,7 @@ runs:
   using: "composite"
   steps:
     - name: Check out code.
-      uses: actions/checkout@v3.5.3
+      uses: actions/checkout@v4.1.0
     - name: Install Go
       uses: actions/setup-go@v4.0.1
       with:
diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 13f60639..5423c1ce 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
       - name: Unit tests
         uses: ./.github/actions/unit-tests
 
@@ -51,7 +51,7 @@ jobs:
       NEXT-VERSION: ${{ steps.verify-next-version.outputs.NEXT-VERSION }}
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
       - name: Overwrite version variable from prepare_ci_run in case of a release-please-branch
         id: verify-next-version
         run: |
@@ -80,7 +80,7 @@ jobs:
       GIT_SHA: ${{ needs.prepare_ci_run.outputs.GIT_SHA }}
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
 
       - name: Load CI Environment from .ci_env
         id: load_ci_env
@@ -123,7 +123,7 @@ jobs:
       GIT_SHA: ${{ needs.prepare_ci_run.outputs.GIT_SHA }}
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
 
       - name: Load CI Environment from .ci_env
         id: load_ci_env
diff --git a/.github/workflows/build-helm-chart.yml b/.github/workflows/build-helm-chart.yml
index 5f31581b..7acdfd17 100644
--- a/.github/workflows/build-helm-chart.yml
+++ b/.github/workflows/build-helm-chart.yml
@@ -37,7 +37,7 @@ jobs:
       RELEASE_BUILD: ${{ inputs.release }}
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
 
       # load Image variable from .ci_env
       - name: Load CI Environment from .ci_env
diff --git a/.github/workflows/create-release-pr.yml b/.github/workflows/create-release-pr.yml
index 63f6009c..f551b419 100644
--- a/.github/workflows/create-release-pr.yml
+++ b/.github/workflows/create-release-pr.yml
@@ -31,7 +31,7 @@ jobs:
       branch: ${{ steps.current_branch.outputs.branch }}
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
         with:
           fetch-depth: 0
           token: ${{ secrets.KEPTN_BOT_TOKEN }}
@@ -101,7 +101,7 @@ jobs:
 
       - name: Checkout repo
         if: ${{ !needs.release-please.outputs.release_created }}
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
         with:
           ref: release-please--branches--${{ needs.prepare.outputs.branch }}--components--dynatrace-service
           fetch-depth: 0
diff --git a/.github/workflows/create-release.yml b/.github/workflows/create-release.yml
index 017c9844..25b76453 100644
--- a/.github/workflows/create-release.yml
+++ b/.github/workflows/create-release.yml
@@ -19,7 +19,7 @@ jobs:
       branch: ${{ steps.current_branch.outputs.branch }}
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
         with:
           fetch-depth: 0
           token: ${{ secrets.KEPTN_BOT_TOKEN }}
@@ -92,7 +92,7 @@ jobs:
       VERSION: ${{ needs.release-please.outputs.major }}.${{ needs.release-please.outputs.minor }}.${{ needs.release-please.outputs.patch }}
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
 
       # load DOCKER_ORGANIZATION & IMAGE variable from .ci_env
       - name: Load CI Environment from .ci_env
diff --git a/.github/workflows/create_release_draft.yml b/.github/workflows/create_release_draft.yml
index 7f4acf0e..feaa2554 100644
--- a/.github/workflows/create_release_draft.yml
+++ b/.github/workflows/create_release_draft.yml
@@ -21,7 +21,7 @@ jobs:
       BRANCH: ${{ steps.determine_branch.outputs.BRANCH }}
     steps:
       - name: Check out code.
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
 
       - name: Create downloads folder
         run: mkdir ~/downloads
@@ -71,7 +71,7 @@ jobs:
       REPO_SLUG: "keptn-contrib/dynatrace-service"
     steps:
       - name: Check out code
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
 
       - name: Debug - Output Branch
         run: echo $BRANCH
diff --git a/.github/workflows/pre-release.yml b/.github/workflows/pre-release.yml
index 15a6b817..dc97a31e 100644
--- a/.github/workflows/pre-release.yml
+++ b/.github/workflows/pre-release.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
       - name: Unit tests
         uses: ./.github/actions/unit-tests
 
@@ -52,7 +52,7 @@ jobs:
           fi
 
       - name: Checkout repo
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
         with:
           fetch-depth: 0
           token: ${{ secrets.KEPTN_BOT_TOKEN }}
@@ -103,7 +103,7 @@ jobs:
       VERSION: ${{ needs.prepare.outputs.next-version }}
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
 
       # load DOCKER_ORGANIZATION & IMAGE variable from .ci_env
       - name: Load CI Environment from .ci_env
@@ -143,7 +143,7 @@ jobs:
     needs: [prepare, docker_build, build-helm-chart]
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
         with:
           fetch-depth: 0
           token: ${{ secrets.KEPTN_BOT_TOKEN }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 1c200f11..17afcd34 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
       - name: Unit tests
         uses: ./.github/actions/unit-tests
 
@@ -60,7 +60,7 @@ jobs:
           fi
 
       - name: Checkout repo
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
         with:
           fetch-depth: 0
           token: ${{ secrets.KEPTN_BOT_TOKEN }}
@@ -125,7 +125,7 @@ jobs:
       VERSION: ${{ needs.prepare.outputs.next-version }}
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
 
       # load DOCKER_ORGANIZATION & IMAGE variable from .ci_env
       - name: Load CI Environment from .ci_env
@@ -165,7 +165,7 @@ jobs:
     needs: [prepare, docker_build, build-helm-chart]
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
         with:
           fetch-depth: 0
           token: ${{ secrets.KEPTN_BOT_TOKEN }}
diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
index 0bf0fb90..3c284c1c 100644
--- a/.github/workflows/reviewdog.yml
+++ b/.github/workflows/reviewdog.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code.
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.1.0
         with:
           fetch-depth: 0
       - name: golangci-lint