diff --git a/.github/workflows/project-build.yml b/.github/workflows/project-build.yml
index 1007a26a..55c9b87b 100644
--- a/.github/workflows/project-build.yml
+++ b/.github/workflows/project-build.yml
@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu, macos]
-        ruby: [2.7, '3.0', '3.1', '3.2']
+        ruby: ['3.0', '3.1', '3.2']
         gemfile: [activesupport_5, activesupport_6, activesupport_7]
         exclude:
           - ruby: '3.2'