diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 01ab8e6..3709045 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
         node: [ 10, 12 ]
     name: Node ${{ matrix.node }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
       - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}