diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 61cbc7c..d5f8d9e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
       matrix:
         os: [ ubuntu-16.04, ubuntu-18.04, macos-latest, windows-latest ]
         # Use various version syntaxes here for testing
-        ruby: [ .ruby-version, 2.3, ruby-2.4, 2.5, ruby-2.6.5, 2.7.0, ruby-head, jruby, truffleruby, truffleruby-head, rubinius ]
+        ruby: [ .ruby-version, 2.3, 2.7.0, ruby-head, jruby, truffleruby, truffleruby-head, rubinius ]
         exclude:
         - os: windows-latest
           ruby: truffleruby