diff --git a/.github/workflows/build-sonarqube.yml b/.github/workflows/build-sonarqube.yml
index 1b93d27..35ac85b 100644
--- a/.github/workflows/build-sonarqube.yml
+++ b/.github/workflows/build-sonarqube.yml
@@ -14,7 +14,7 @@ jobs:
       SONAR_HOST_URL: ${{ secrets.SONAR_HOST_URL }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0 # Shallow clones should be disabled for a better relevancy of analysis
       - name: Add summary header
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0b88a13..91254ae 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup .NET ${{ matrix.dotnet-version }}
         uses: actions/setup-dotnet@v5
@@ -46,7 +46,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v5
@@ -65,7 +65,7 @@ jobs:
     needs: [build-and-test, lint]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v5
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index eac69f6..69950a7 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 7b567d7..cdf6deb 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -12,7 +12,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v5
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index 0a17870..fb80808 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -39,7 +39,7 @@ jobs:
       VERSION: ${{ needs.release-please.outputs.version }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v5