diff --git a/.github/workflows/Semgrep.yml b/.github/workflows/Semgrep.yml
index 0c66a1e..bbdb28b 100644
--- a/.github/workflows/Semgrep.yml
+++ b/.github/workflows/Semgrep.yml
@@ -34,7 +34,7 @@ jobs:
 
     steps:
       # Fetch project source with GitHub Actions Checkout.
-      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
       # Run the "semgrep ci" command on the command line of the docker image.
       - run: semgrep ci --sarif --output=semgrep.sarif
         env:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index a180105..858a678 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -5,7 +5,7 @@ jobs:
     name: Lint
     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/release.yml b/.github/workflows/release.yml
index 3c05980..75e7385 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -6,7 +6,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: 3.9
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 013b561..0467703 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Break on invalid branch name
         run: exit 1
         if: ${{ github.event_name == 'workflow_dispatch' && steps.regex-match.outputs && steps.regex-match.outputs.match == '' }}
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python }}