diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7b080cb..d91bdc7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
         node-version: [10.x, 12.x, 14.x]
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2.3.4
 
       - name: Use Node.js
         uses: actions/setup-node@v1