diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 193b855..a2ace01 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -48,7 +48,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "4.0.3"
+          ruby-version: "4.0.4"
           bundler-cache: True
         env:
           BUNDLE_JOBS: 4