diff --git a/.github/workflows/autofix.yml b/.github/workflows/autofix.yml
index 7be09c4..a6a537a 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@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
       - run: npm i -fg corepack && corepack enable
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # 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 bff6bca..f9e4a4d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,9 +6,9 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
       - run: npm i -g --force corepack && corepack enable
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
         with: { node-version: lts/*, cache: pnpm }
       - run: pnpm install
       - run: pnpm lint