diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index e4957e8..bfc6f4e 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: ["2.7.x", "2.6.x", "2.5.x", "2.4.x"]
+        ruby: ["2.6.x", "2.5.x", "2.4.x"]
 
     steps:
       - uses: actions/checkout@v1