diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 86ed7894e3..c238b238e0 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['3.1', '3.2', '3.3', 'jruby-9.4']
+        ruby-version: ['3.1', '3.2', '3.3', 'jruby-9.4.5.0']
 
     steps:
     - uses: actions/checkout@v4