diff --git a/.github/workflows/helics_version_update.yml b/.github/workflows/helics_version_update.yml
index 449e9f8..978b6b2 100644
--- a/.github/workflows/helics_version_update.yml
+++ b/.github/workflows/helics_version_update.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event.action == 'helics-version-update'
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Update the HELICS_VERSION file to ${{ github.event.client_payload.version }}
       run: echo "${{ github.event.client_payload.version }}" > HELICS_VERSION
     - name: Commit updated HELICS_VERSION file
diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 1af665f..b59f247 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -39,7 +39,7 @@ jobs:
             arch: win64
             plat_name: win_amd64
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: git fetch --prune --unshallow
     - uses: actions/setup-python@v4
       with:
@@ -59,7 +59,7 @@ jobs:
   build-helics_apps-sdist:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: git fetch --prune --unshallow
     - name: Set up Python
       uses: actions/setup-python@v4
diff --git a/.github/workflows/update-helics.yml b/.github/workflows/update-helics.yml
index 8f4bb85..bf3b6a5 100644
--- a/.github/workflows/update-helics.yml
+++ b/.github/workflows/update-helics.yml
@@ -15,7 +15,7 @@ jobs:
     outputs:
       ver: ${{ steps.hver.outputs.HELICS_VERSION }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Read HELICS_VERSION
       id: hver
       run: echo "HELICS_VERSION=$(cat HELICS_VERSION)" >> $GITHUB_OUTPUT
diff --git a/.github/workflows/update-mingw-package.yml b/.github/workflows/update-mingw-package.yml
index ec74237..57725ab 100644
--- a/.github/workflows/update-mingw-package.yml
+++ b/.github/workflows/update-mingw-package.yml
@@ -18,9 +18,9 @@ jobs:
     name: Update MINGW Package
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Checkout GMLC-TDC/MINGW-packages
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: 'GMLC-TDC/MINGW-packages'
         token: ${{ secrets.HELICS_BOT_TOKEN }}
diff --git a/.github/workflows/update-spack-package.yml b/.github/workflows/update-spack-package.yml
index 4ff88e7..45040aa 100644
--- a/.github/workflows/update-spack-package.yml
+++ b/.github/workflows/update-spack-package.yml
@@ -18,9 +18,9 @@ jobs:
     name: Update Spack Package
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Checkout GMLC-TDC/spack
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: 'GMLC-TDC/spack'
         token: ${{ secrets.HELICS_BOT_TOKEN }}
diff --git a/.github/workflows/update-yggdrasil-package.yml b/.github/workflows/update-yggdrasil-package.yml
index 683f3dd..302d56b 100644
--- a/.github/workflows/update-yggdrasil-package.yml
+++ b/.github/workflows/update-yggdrasil-package.yml
@@ -18,9 +18,9 @@ jobs:
     name: Update Yggdrasil Package
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Checkout GMLC-TDC/Yggdrasil
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: 'GMLC-TDC/Yggdrasil'
         token: ${{ secrets.HELICS_BOT_TOKEN }}