diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index af03a96..9abd78a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
       unit-tests: ${{ steps.filter.outputs.unit-tests }}
       container: ${{ steps.filter.outputs.container }}
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # @v2
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # @v2
         if: ${{ github.event_name == 'push' }}
         with:
           fetch-depth: 0
diff --git a/.github/workflows/container.yml b/.github/workflows/container.yml
index 0745987..ac43b01 100644
--- a/.github/workflows/container.yml
+++ b/.github/workflows/container.yml
@@ -6,7 +6,7 @@ jobs:
   build-release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf
       - uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349
 
diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index 2d965dc..f4aa5de 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -8,7 +8,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
 
       - name: Set up Python 3.11
         uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 431a1cd..7699e9f 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -11,7 +11,7 @@ jobs:
       matrix:
         python-version: ['3.11']
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3
         with:
           python-version: ${{ matrix.python-version }}