diff --git a/.github/workflows/autofix.yml b/.github/workflows/autofix.yml
index bb440cd2..19f1350d 100644
--- a/.github/workflows/autofix.yml
+++ b/.github/workflows/autofix.yml
@@ -8,7 +8,7 @@ jobs:
   autofix:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - run: corepack enable
       - uses: actions/setup-node@v6
         with: { node-version: lts/*, cache: "pnpm" }
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 185ca318..0ddd30c2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix: { node: [20, 22, 24] }
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - run: corepack enable
       - uses: actions/setup-node@v6
         with: { node-version: "${{ matrix.node }}", cache: "pnpm" }
@@ -16,4 +16,4 @@ jobs:
       - run: pnpm lint
       - run: pnpm build
       - run: pnpm vitest --coverage
-      - uses: codecov/codecov-action@v5
+      - uses: codecov/codecov-action@e79a6962e0d4c0c17b229090214935d2e33f8354 # v6