diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 0fa679e..6aac3f3 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -19,15 +19,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.6', '2.7', '3.0']
+        ruby-version: ['2.6', '2.7', '3.0', '3.1', '3.2', '3.3', '3.4', '4.0']
 
     steps:
     - uses: actions/checkout@v2
     - name: Set up Ruby
-    # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby,
-    # change this to (see https://github.com/ruby/setup-ruby#versioning):
-    # uses: ruby/setup-ruby@v1
-      uses: ruby/setup-ruby@473e4d8fe5dd94ee328fdfca9f8c9c7afc9dae5e
+      uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
diff --git a/.travis.yml b/.travis.yml
index 3c81270..21bbddf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,3 +6,8 @@ rvm:
   - 2.6
   - 2.7
   - 3.0
+  - 3.1
+  - 3.2
+  - 3.3
+  - 3.4
+  - 4.0