diff --git a/.github/workflows/autofix.yml b/.github/workflows/autofix.yml
index 6f7d4dd..c0ad907 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@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
       - run: npm i -fg corepack && corepack enable
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7
         with: { node-version: lts/*, cache: "pnpm" }
       - run: pnpm install
       - run: pnpm fmt
diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 713cce7..90598a2 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -4,9 +4,9 @@ jobs:
   checks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
       - run: npm i -fg corepack && corepack enable
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7
         with: { node-version: lts/*, cache: "pnpm" }
       - run: pnpm install
       - run: pnpm typecheck