diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 89da1ff..8c1ec7d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
         node-version: [10.x, 12.x, 14.x, 15.x, 16.x]
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2.3.4
       - name: Use Node.js
         uses: actions/setup-node@v1
         with: