diff --git a/.github/workflows/basic-tests.yml b/.github/workflows/basic-tests.yml
index 0ade97711..ee1c5ea73 100644
--- a/.github/workflows/basic-tests.yml
+++ b/.github/workflows/basic-tests.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
     - name: Check out the target commit
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Install Qt dependencies
       uses: ./.github/actions/install-qt-support
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/.github/workflows/bleeding-edge-tests.yml b/.github/workflows/bleeding-edge-tests.yml
index 5f5630fc7..be664bf03 100644
--- a/.github/workflows/bleeding-edge-tests.yml
+++ b/.github/workflows/bleeding-edge-tests.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
     - name: Check out the target commit
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Install Qt dependencies
       uses: ./.github/actions/install-qt-support
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/.github/workflows/full-qt-tests.yml b/.github/workflows/full-qt-tests.yml
index 598d02055..e21ee91cf 100644
--- a/.github/workflows/full-qt-tests.yml
+++ b/.github/workflows/full-qt-tests.yml
@@ -29,7 +29,7 @@ jobs:
 
     steps:
     - name: Check out the target commit
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Install Qt dependencies
       uses: ./.github/actions/install-qt-support
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/.github/workflows/full-wx-tests.yml b/.github/workflows/full-wx-tests.yml
index 16f911fe2..90b8b5c55 100644
--- a/.github/workflows/full-wx-tests.yml
+++ b/.github/workflows/full-wx-tests.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: Check out the target commit
-      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/integration-tests.yml b/.github/workflows/integration-tests.yml
index 27e888018..d8f40d640 100644
--- a/.github/workflows/integration-tests.yml
+++ b/.github/workflows/integration-tests.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
diff --git a/.github/workflows/minimal-deps-tests.yml b/.github/workflows/minimal-deps-tests.yml
index 3846bb096..2d9746128 100644
--- a/.github/workflows/minimal-deps-tests.yml
+++ b/.github/workflows/minimal-deps-tests.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
diff --git a/.github/workflows/publish-on-pypi.yml b/.github/workflows/publish-on-pypi.yml
index c54bbf03c..f71320653 100644
--- a/.github/workflows/publish-on-pypi.yml
+++ b/.github/workflows/publish-on-pypi.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
     - name: Check out the release commit
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
diff --git a/.github/workflows/style-checks.yml b/.github/workflows/style-checks.yml
index 9bd7aa9f4..9413f03c7 100644
--- a/.github/workflows/style-checks.yml
+++ b/.github/workflows/style-checks.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
diff --git a/.github/workflows/test-build-documentation.yml b/.github/workflows/test-build-documentation.yml
index c86af4dab..97abd47e5 100644
--- a/.github/workflows/test-build-documentation.yml
+++ b/.github/workflows/test-build-documentation.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python 3.11
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/test-etsdemo.yml b/.github/workflows/test-etsdemo.yml
index f99749158..67b2171a9 100644
--- a/.github/workflows/test-etsdemo.yml
+++ b/.github/workflows/test-etsdemo.yml
@@ -20,7 +20,7 @@ jobs:
         toolkit: ['pyside6']
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Qt dependencies for Linux
         uses: ./.github/actions/install-qt-support
         if: startsWith(matrix.os, 'ubuntu')
diff --git a/.github/workflows/test-with-edm.yml b/.github/workflows/test-with-edm.yml
index 8b5120eaf..0932dfbc8 100644
--- a/.github/workflows/test-with-edm.yml
+++ b/.github/workflows/test-with-edm.yml
@@ -44,7 +44,7 @@ jobs:
       # set the font config path for linux
       FONTCONFIG_PATH: /etc/fonts
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Qt dependencies for Linux
         uses: ./.github/actions/install-qt-support
         if: startsWith(matrix.os, 'ubuntu') && matrix.toolkit != 'wx' && matrix.toolkit != 'null'
diff --git a/.github/workflows/test-with-pip-wx.yml b/.github/workflows/test-with-pip-wx.yml
index 4565aef74..154caeea8 100644
--- a/.github/workflows/test-with-pip-wx.yml
+++ b/.github/workflows/test-with-pip-wx.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Check out
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v4
         with: