diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 3a55c027..331b4c28 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v2
diff --git a/.github/workflows/deployment-tests.yml b/.github/workflows/deployment-tests.yml
index ca4d4c49..0f776913 100644
--- a/.github/workflows/deployment-tests.yml
+++ b/.github/workflows/deployment-tests.yml
@@ -39,7 +39,7 @@ jobs:
         os_container: ['centos7', 'rockylinux8', 'rockylinux9', 'ubuntu20_04', 'ubuntu22_04']
     container: matterminers/cobald-tardis-deployment-test-env:${{ matrix.os_container }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install dependencies on ${{ matrix.os_container }}
         run: |
           python3 -m pip install --upgrade pip
@@ -55,7 +55,7 @@ jobs:
         platform: ['macos-latest']
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Add Python 3.11 to GITHUB_PATH
         run: echo "/Library/Frameworks/Python.framework/Versions/3.11/bin" >> $GITHUB_PATH
       - name: Install dependencies on ${{ matrix.platform }}
diff --git a/.github/workflows/docker-builds.yml b/.github/workflows/docker-builds.yml
index dcc501e7..92a476bd 100644
--- a/.github/workflows/docker-builds.yml
+++ b/.github/workflows/docker-builds.yml
@@ -14,7 +14,7 @@ jobs:
   setup-docker-builds:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Get containers to build
         id: get_containers
         run: |
@@ -40,7 +40,7 @@ jobs:
           containers: ${{ fromJSON(needs.setup-docker-builds.outputs.containers) }}
       steps:
         - name: Checkout
-          uses: actions/checkout@v3
+          uses: actions/checkout@v4
         - name: Set up Docker Buildx
           uses: docker/setup-buildx-action@v2
         - name: Docker meta
diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 93a374fc..0f76df39 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/unittests.yml b/.github/workflows/unittests.yml
index 709e6ab8..f3127ad0 100644
--- a/.github/workflows/unittests.yml
+++ b/.github/workflows/unittests.yml
@@ -10,7 +10,7 @@ jobs:
         python-version: ['3.8', '3.9', '3.10', '3.11']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/verification.yml b/.github/workflows/verification.yml
index 23cb1f50..fed12226 100644
--- a/.github/workflows/verification.yml
+++ b/.github/workflows/verification.yml
@@ -6,7 +6,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v4
       with: