diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 6b68c53..6733c71 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Run the linter
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
 
       - name: Set up python 3.12
         uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index b7fab32..6cf4bae 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     name: unit tests
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
 
       - name: Set up python 3.12
         uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5