Use Ruby 3.0

hsbt · hsbt · commit 88c759625a89 · 2021-10-28T21:23:40.000+09:00
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: [2.7]
+        ruby: ["3.0"]
         os: [ubuntu-latest]
       fail-fast: false
 
diff --git a/Gemfile b/Gemfile
@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-ruby "~> 2.7.4"
+ruby "~> 3.0.2"
 
 gem "rake"
 gem "jekyll", "~> 4.0"
