diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index 5e0ad4a..0bcc883 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -20,7 +20,7 @@ jobs:
         uses: step-security/harden-runner@a4aa98b93cab29d9b1101a6143fb8bce00e2eac4 # v2.7.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python3
         uses: actions/setup-python@v5
         with:
diff --git a/.github/workflows/tag-testpypi.yml b/.github/workflows/tag-testpypi.yml
index 166620b..5ac39c2 100644
--- a/.github/workflows/tag-testpypi.yml
+++ b/.github/workflows/tag-testpypi.yml
@@ -20,7 +20,7 @@ jobs:
         uses: step-security/harden-runner@a4aa98b93cab29d9b1101a6143fb8bce00e2eac4 # v2.7.1
         with:
           egress-policy: audit
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python3
         uses: actions/setup-python@v5
         with: