diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 7d1b3ec..e278a4b 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b # v3
       - name: Install Poetry
         run: pipx install poetry
       - name: Setup Python
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 0fc4dbe..fc2fa5d 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -25,7 +25,7 @@ jobs:
     if: needs.skip.outputs.should-skip != 'true'
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b # v3
       - name: Install Poetry
         run: pipx install poetry
       - name: Setup Python