diff --git a/.github/workflows/stable.yml b/.github/workflows/stable.yml
index 5227465f..05492722 100644
--- a/.github/workflows/stable.yml
+++ b/.github/workflows/stable.yml
@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: [2.7, '3.0', 3.1, 3.2, ruby-head, jruby-9.3]
+        ruby: [2.7, '3.0', 3.1, 3.2, ruby-head, jruby-9.4]
 
     env:
       BUNDLE_WITHOUT: "benchmark"