diff --git a/.github/workflows/actions.yml b/.github/workflows/actions.yml
index 979d654..a4c6104 100644
--- a/.github/workflows/actions.yml
+++ b/.github/workflows/actions.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: [ '2.7', '3.0', '3.1', 'jruby' ]
+        ruby: [ '2.7', '3.0', '3.1', '3.2', '3.3', '3.4', 'jruby' ]
         task: [ 'spec' ]
         include:
         - ruby: 2.7 # keep in sync with lowest version <-> gemspec