diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9200c36..7270e91 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,6 +16,11 @@ jobs:
       matrix:
         os: [ubuntu, macos, windows]
         ruby:
+          - ruby-3.4
+          - ruby-3.3
+          - ruby-3.2
+          - ruby-3.1
+          - ruby-3.0
           - ruby-2.7
           - ruby-2.6
           - ruby-2.5