diff --git a/.github/workflows/lint-unit.yml b/.github/workflows/lint-unit.yml
index d99cefb..e7593f6 100644
--- a/.github/workflows/lint-unit.yml
+++ b/.github/workflows/lint-unit.yml
@@ -37,7 +37,7 @@ jobs:
           fi
       - name: Setup Ruby
         if: steps.check.outputs.gemfile == 'true'
-        uses: ruby/setup-ruby@v1.180.1
+        uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
@@ -75,7 +75,7 @@ jobs:
       BUNDLE_WITHOUT: ${{ inputs.bundle_without }}
     strategy:
       matrix:
-        ruby: ["3.1", "3.2", "3.3"]
+        ruby: ["3.1", "3.2", "3.3", "3.4"]
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -89,7 +89,7 @@ jobs:
           fi
       - name: Setup Ruby
         if: steps.check.outputs.gemfile == 'true'
-        uses: ruby/setup-ruby@v1.180.1
+        uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true