diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 64e98c0..cb57796 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,8 +18,10 @@ jobs:
           - '3.1'
           - '3.2'
           - '3.3'
+          - '3.4.0-preview1'
           - 'jruby-9.1.17.0'
           - 'jruby-9.2'
+          - 'jruby-9.3'
         gemfile:
           - lowest
           - latest
@@ -35,6 +37,8 @@ jobs:
             gemfile: lowest
           - ruby: '3.3'
             gemfile: lowest
+          - ruby: '3.4.0-preview1'
+            gemfile: lowest
     env:
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
       CC_TEST_REPORTER_ID: 945dfb58a832d233a3caeb84e3e6d3be212e8c7abcb48117fce63b9adcb43647