diff --git a/.github/workflows/backend-test-action.yml b/.github/workflows/backend-test-action.yml
index aebb245211..79763394a2 100644
--- a/.github/workflows/backend-test-action.yml
+++ b/.github/workflows/backend-test-action.yml
@@ -8,7 +8,7 @@ jobs:
       TZ: 'Europe/Zurich'
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up JDK ${{vars.JAVA_VERSION}}
         uses: actions/setup-java@v4
diff --git a/.github/workflows/format-action.yml b/.github/workflows/format-action.yml
index 1134353145..a755683a1e 100644
--- a/.github/workflows/format-action.yml
+++ b/.github/workflows/format-action.yml
@@ -10,7 +10,7 @@ jobs:
         working-directory: frontend
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -30,7 +30,7 @@ jobs:
         working-directory: backend
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up JDK ${{vars.JAVA_VERSION}}
         uses: actions/setup-java@v4
diff --git a/.github/workflows/frontend-test-action.yml b/.github/workflows/frontend-test-action.yml
index 2b41fdbc95..be54752d61 100644
--- a/.github/workflows/frontend-test-action.yml
+++ b/.github/workflows/frontend-test-action.yml
@@ -11,7 +11,7 @@ jobs:
         working-directory: frontend
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
diff --git a/.github/workflows/reusable__build.yml b/.github/workflows/reusable__build.yml
index 8ba6912f51..e775c0a293 100644
--- a/.github/workflows/reusable__build.yml
+++ b/.github/workflows/reusable__build.yml
@@ -26,7 +26,7 @@ jobs:
         run: echo "name=okr-image-${{ inputs.COMMIT_HASH }}" >> $GITHUB_OUTPUT
 
       - name: Checkout Target Repo Code at Specific Commit
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{ inputs.COMMIT_HASH }}
 
diff --git a/.github/workflows/reusable__deploy-release.yml b/.github/workflows/reusable__deploy-release.yml
index f211bf0810..6e34da28dc 100644
--- a/.github/workflows/reusable__deploy-release.yml
+++ b/.github/workflows/reusable__deploy-release.yml
@@ -172,7 +172,7 @@ jobs:
       GH_TOKEN: ${{ github.token }}
     steps:
       - name: Checkout Target Repo Code (needed for tag context)
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: main
 
diff --git a/.github/workflows/reusable__deptrack-push-action.yml b/.github/workflows/reusable__deptrack-push-action.yml
index ab7eb42f14..64210b4f96 100644
--- a/.github/workflows/reusable__deptrack-push-action.yml
+++ b/.github/workflows/reusable__deptrack-push-action.yml
@@ -12,7 +12,7 @@ jobs:
     environment: ${{ inputs.ENVIRONMENT_NAME }}
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install cdxgen
         working-directory: frontend
diff --git a/.github/workflows/reusable__e2e-testing.yml b/.github/workflows/reusable__e2e-testing.yml
index 1eb53fad01..b0acbeafa7 100644
--- a/.github/workflows/reusable__e2e-testing.yml
+++ b/.github/workflows/reusable__e2e-testing.yml
@@ -20,7 +20,7 @@ jobs:
       file_list: ${{ steps.generate-file-list.outputs.file_list }}
     steps:
       - name: Checkout Target Repo Code (to find test files)
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{ inputs.COMMIT_HASH }}
 
@@ -68,7 +68,7 @@ jobs:
           echo "Using commit ref: ${{ github.ref }}"
 
       - name: Checkout Target Repo Code (for Cypress config/plugins)
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{ env.COMMIT_REF }}
 
diff --git a/.github/workflows/reusable__generate-version.yml b/.github/workflows/reusable__generate-version.yml
index e8397e5480..f3e4fec472 100644
--- a/.github/workflows/reusable__generate-version.yml
+++ b/.github/workflows/reusable__generate-version.yml
@@ -57,7 +57,7 @@ jobs:
         
                
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{env.BRANCH_NAME}}
           token: ${{ secrets.DEPLOY_TOKEN_CLASSIC}}
@@ -85,7 +85,7 @@ jobs:
       token: ${{ secrets.DEPLOY_TOKEN_CLASSIC }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{env.BRANCH_NAME}}
           token: ${{ secrets.DEPLOY_TOKEN_CLASSIC}}
@@ -129,7 +129,7 @@ jobs:
       token: ${{ secrets.DEPLOY_TOKEN_CLASSIC }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{env.BRANCH_NAME}}
           token: ${{ secrets.DEPLOY_TOKEN_CLASSIC}}
diff --git a/.github/workflows/reusable__sonarqube.yml b/.github/workflows/reusable__sonarqube.yml
index f72c98d060..124468c512 100644
--- a/.github/workflows/reusable__sonarqube.yml
+++ b/.github/workflows/reusable__sonarqube.yml
@@ -14,7 +14,7 @@ jobs:
   sonarqube:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up JDK ${{ vars.JAVA_VERSION }}
         uses: actions/setup-java@v4