diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 07f4ad6..0b2f028 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.4', '2.5', '2.6', '2.7']
+        ruby-version: ['2.6', '2.7']
 
     steps:
     - uses: actions/checkout@v3