diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 15c2882..39e334f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,7 +10,7 @@ jobs:
   ruby-versions:
     uses: ruby/actions/.github/workflows/ruby_versions.yml@master
     with:
-      min_version: 2.7
+      min_version: 2.5
 
   test:
     needs: ruby-versions