diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2ffefff..0739654 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
 
       - name: Install asdf
         uses: asdf-vm/actions/setup@v1