diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 034f5d8..f80434d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -1,6 +1,8 @@
 name: ci
 
-on: [push, pull_request]
+on:
+  - push
+  - pull_request
 
 jobs:
   test:
@@ -59,7 +61,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: ruby/setup-ruby@v1