diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e15f78f..7794e5a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["2.5", "2.6", "2.7", "3.0", "3.1", "3.2", jruby-9.4.2.0]
+        ruby: ["2.5", "2.6", "2.7", "3.0", "3.1", "3.2", "3.3", jruby-9.3, jruby-9.4]
     steps:
     - uses: actions/checkout@v3
     - uses: ruby/setup-ruby@v1