diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8156d69..29aa7d5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
       versions: ${{ steps.get_versions.outputs.versions }}
       need_ci: ${{ (steps.preflight.outputs.need_ci == 'true') || (steps.preflight.outputs.need_image == 'true') }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - id: get_versions
       run: cat workflow-support/versions.json >> $GITHUB_OUTPUT
     - id: details
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index a40d375..6a54e20 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v2
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 6ae6291..eadc265 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -14,7 +14,7 @@ jobs:
       image_base: ${{ steps.details.outputs.image_base }}
       need_lint: ${{ steps.preflight.outputs.need_lint == 'true' }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - id: details
       uses: kpfleming/composite-actions/image-details@v2
       with:
@@ -31,5 +31,5 @@ jobs:
     container:
       image: ${{ needs.preflight.outputs.image_base }}:main
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: kpfleming/composite-actions/lint-hatch@v2
diff --git a/.github/workflows/pypi-package.yml b/.github/workflows/pypi-package.yml
index b0d4ee4..aba7b67 100644
--- a/.github/workflows/pypi-package.yml
+++ b/.github/workflows/pypi-package.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 01fa883..148eb01 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,7 +21,7 @@ jobs:
     container:
       image: ${{ inputs.image }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: build wheel
       run: hatch build -t wheel
       shell: bash