diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 462c868f..f4f106ee 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: [ '2.6', '2.7', '3.0']
+        ruby: [ '2.7', '3.0']
         gemfile:
           - rails_6
           - rails_6_1