Use Ruby 4.0.0

koic · koic · commit 1f39cda50dfc · 2026-01-10T13:31:26.000+09:00
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.4.4
+          ruby-version: 4.0.0
 
       - name: Set up Node.js
         uses: actions/setup-node@v4
diff --git a/.ruby-version b/.ruby-version
@@ -1 +1 @@
-3.4.4
+4.0.0
