diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7ed139cf..2b5b66cf 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -92,7 +92,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["3.0", 3.1, 3.2, 3.3]
+        ruby: ["3.0", 3.1, 3.2, 3.3, jruby-9.4]
         gemfile: [rails_6.1, rails_7.0, rails_7.1, rails_7.2, rails_8.0, rails_head]
         pg: [17]
         include: