diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 8eb75f50..b6849fa6 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -14,10 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-          - '2.7'
-          - '3.0'
           - '3.1'
-          - '3.2'
         mroonga:
           - latest
           - mysql80-latest
@@ -26,6 +23,7 @@ jobs:
     env:
       RAILS_ENV: test
       TZ: Asia/Tokyo
+      NODE_ENV: production
     services:
       db:
         image: groonga/mroonga:${{ matrix.mroonga }}
@@ -47,13 +45,12 @@ jobs:
           bundler-cache: true
       # 参考: https://igarashikuniaki.net/diary/20200210.html
       - name: Install JavaScript packages
-        run: |
-          yarn install
+        run: yarn install
       - name: Setup database
         run: |
           cp config/database.yml.github_actions config/database.yml
           bin/rails db:setup
       - name: Compile JavaScripts (webpack)
-        run: NODE_ENV=production bin/yarn webpack
+        run: yarn webpack
       - name: Run tests
-        run: bin/rails test
+        run: bundle exec rails test