diff --git a/.github/workflows/check-style.yml b/.github/workflows/check-style.yml
index ec8eb07c..9aa19510 100644
--- a/.github/workflows/check-style.yml
+++ b/.github/workflows/check-style.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: 'ubuntu-latest'
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v4
       with:
         python-version: '3.11'
diff --git a/.github/workflows/ets-from-source.yml b/.github/workflows/ets-from-source.yml
index 9ed2b952..2926933f 100644
--- a/.github/workflows/ets-from-source.yml
+++ b/.github/workflows/ets-from-source.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Clone the Envisage source
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install packages for Qt support
         uses: ./.github/actions/install-qt-support
       - name: Cache EDM packages
diff --git a/.github/workflows/publish-on-pypi.yml b/.github/workflows/publish-on-pypi.yml
index 7766f36d..89afa5dc 100644
--- a/.github/workflows/publish-on-pypi.yml
+++ b/.github/workflows/publish-on-pypi.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
     - name: Check out the release commit
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/test-doc-build.yml b/.github/workflows/test-doc-build.yml
index 267ab9a4..27d58c3e 100644
--- a/.github/workflows/test-doc-build.yml
+++ b/.github/workflows/test-doc-build.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v4
       with:
         python-version: '3.11'
diff --git a/.github/workflows/test-with-edm.yml b/.github/workflows/test-with-edm.yml
index 4f362f7c..77cb3fb6 100644
--- a/.github/workflows/test-with-edm.yml
+++ b/.github/workflows/test-with-edm.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Clone the Envisage source
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install packages for Qt support
         uses: ./.github/actions/install-qt-support
       - name: Cache EDM packages
diff --git a/.github/workflows/test-with-pypi.yml b/.github/workflows/test-with-pypi.yml
index 519c1587..096a1fd7 100644
--- a/.github/workflows/test-with-pypi.yml
+++ b/.github/workflows/test-with-pypi.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Clone the Envisage source
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install packages for Qt support
         uses: ./.github/actions/install-qt-support
       - name: Set up Python ${{ matrix.python-version }}
diff --git a/.github/workflows/update-gh-pages-on-release.yml b/.github/workflows/update-gh-pages-on-release.yml
index d53ef61b..7bac17ae 100644
--- a/.github/workflows/update-gh-pages-on-release.yml
+++ b/.github/workflows/update-gh-pages-on-release.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v4
       with:
         python-version: '3.11'
diff --git a/.github/workflows/update-gh-pages.yml b/.github/workflows/update-gh-pages.yml
index c63c96c9..e3f8978b 100644
--- a/.github/workflows/update-gh-pages.yml
+++ b/.github/workflows/update-gh-pages.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v4
       with:
         python-version: '3.11'