diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b134c1d..e3f0807 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,7 +18,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout source
-        uses: actions/checkout@v4
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Setup node
         uses: actions/setup-node@v4
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6e42ced..7a1f6fa 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,7 +10,7 @@ jobs:
     name: npm run test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - uses: actions/setup-node@v4
         with: