diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a90ce1d..025bfb3 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
         node-version: [ 16, 18 ]
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
       - name: setup Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v3
         with: