diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 95b08e52..6a76de36 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,6 +14,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
+          - ruby: truffleruby
+          - ruby: truffleruby+graalvm
+          - ruby: jruby
           - ruby: "2.5"
           - ruby: "2.6"
           - ruby: "2.7"