diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d0aac73..706c661 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,18 +8,12 @@ on:
 
 jobs:
   test:
-
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        ruby-version: ['3.0']
-
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: ${{ matrix.ruby-version }}
-        bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+        bundler-cache: true
     - name: Run tests
       run: bin/rspec