diff --git a/.github/workflows/autofix.yml b/.github/workflows/autofix.yml
index 7be09c4ec..9be4c4daf 100644
--- a/.github/workflows/autofix.yml
+++ b/.github/workflows/autofix.yml
@@ -5,9 +5,9 @@ jobs:
   autofix:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
       - run: npm i -fg corepack && corepack enable
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6
         with: { node-version: lts/*, cache: pnpm }
       - run: pnpm install
       - run: pnpm fmt
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c83737966..38b36e969 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,16 +8,16 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
       - run: npm i -g --force corepack && corepack enable
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6
         with: { node-version: lts/*, cache: pnpm }
       - run: pnpm install
       - run: pnpm build
       - run: pnpm test:types
       - run: pnpm vitest --coverage
       - run: pnpm lint
-      - uses: codecov/codecov-action@v6
+      - uses: codecov/codecov-action@fb8b3582c8e4def4969c97caa2f19720cb33a72f # v6
         with: { token: "${{ secrets.CODECOV_TOKEN }}" }
   publish:
     runs-on: ubuntu-latest
@@ -25,10 +25,10 @@ jobs:
     needs: tests
     if: contains('refs/heads/main', github.ref) && github.event_name == 'push'
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
         with: { fetch-depth: 0 }
       - run: npm i -fg corepack && corepack enable
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6
         with: { node-version: lts/*, cache: "pnpm" }
       - run: pnpm install
       - run: pnpm changelogen --bump --canary nightly