diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index be9b180..7f3f5f3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
       CI: true
     steps:
     # Setup.
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v4
       with: