diff --git a/.github/workflows/cpp-linter.yml b/.github/workflows/cpp-linter.yml
index 9a83d74..951032a 100644
--- a/.github/workflows/cpp-linter.yml
+++ b/.github/workflows/cpp-linter.yml
@@ -13,7 +13,7 @@ jobs:
   cpp-linter:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6.0.3
         with:
           persist-credentials: false
       - uses: cpp-linter/cpp-linter-action@main
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a3f4887..0b1155e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,7 @@ jobs:
   re-tag:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6.0.3
       with:
         persist-credentials: true # needed for `git push`
         fetch-depth: 0
diff --git a/.github/workflows/self-test.yml b/.github/workflows/self-test.yml
index a66a740..194bb2f 100644
--- a/.github/workflows/self-test.yml
+++ b/.github/workflows/self-test.yml
@@ -39,7 +39,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6.0.3
         with:
           persist-credentials: false