diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 18022b28..088c3c44 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,7 +11,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ macos-arm-oss ]
-        ruby: [ruby-1.9.3-p551, ruby-2.0.0-p648, ruby-2.1.9, ruby-2.2.10, ruby-2.3.8, ruby-2.4.10]
+        ruby: [truffleruby-23.1.0, truffleruby+graalvm-23.1.0]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4