diff --git a/.github/workflows/ruby_event_store-rspec.yml b/.github/workflows/ruby_event_store-rspec.yml
index 35a96f8e88..b1a08624bf 100644
--- a/.github/workflows/ruby_event_store-rspec.yml
+++ b/.github/workflows/ruby_event_store-rspec.yml
@@ -29,6 +29,8 @@ jobs:
             gemfile: Gemfile
           - ruby: ruby-2.7
             gemfile: Gemfile
+          - ruby: truffleruby
+            gemfile: Gemfile
     steps:
       - uses: actions/checkout@v3
       - run: test -e ${{ matrix.gemfile }}.lock