diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8a002a7..090614d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: 2.7
-          bundler-cache: true 
+          bundler-cache: true
       - name: Run rubocop
         run: bundle exec rubocop --format progress
   build:
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: ['2.6', '2.7', '3.0', '3.1']
+        ruby: ['2.7', '3.0', '3.1']
 
     steps:
       - uses: actions/checkout@v2