diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 11e8c66..9e380e1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,10 +8,10 @@ jobs:
     name: Lint (dummy)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
   test:
     name: Test (dummy)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4