diff --git a/.github/workflows/next-rails.yml b/.github/workflows/next-rails.yml
index 4d0aac83..5f31a6eb 100644
--- a/.github/workflows/next-rails.yml
+++ b/.github/workflows/next-rails.yml
@@ -26,7 +26,7 @@ jobs:
           echo "BUNDLE_CACHE_PATH=vendor/cache.next" >> $GITHUB_ENV
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.5
+          ruby-version: 3.1.0
           bundler-cache: true
       - name: Prepare spec
         run: |
diff --git a/.github/workflows/spec.yml b/.github/workflows/spec.yml
index a80430d0..4dadf9b7 100644
--- a/.github/workflows/spec.yml
+++ b/.github/workflows/spec.yml
@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.5
+          ruby-version: 3.1.0
           bundler-cache: true
       - run: bundle exec rubocop
       - run: bundle exec haml-lint app/views
@@ -34,7 +34,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.5
+          ruby-version: 3.1
           bundler-cache: true
       - name: Prepare spec
         run: |