Support Ruby 3.1

.github/workflows/build.yml

@@ -42,6 +42,7 @@ jobs:
           - '2.6'
           - '2.7'
           - '3.0'
+          - '3.1'
         gemfile:
           - rails50.gemfile
           - rails51.gemfile
@@ -63,6 +64,12 @@ jobs:
             gemfile: rails51.gemfile
           - ruby: '3.0'
             gemfile: rails52.gemfile
+          - ruby: '3.1'
+            gemfile: rails50.gemfile
+          - ruby: '3.1'
+            gemfile: rails51.gemfile
+          - ruby: '3.1'
+            gemfile: rails52.gemfile
 
     env:
       CI: true

CHANGELOG.md

@@ -1,5 +1,9 @@
 ## Unreleased
 
+### Features
+
+* Ruby 3.1 をサポートに追加 (PR [#54](https://github.com/chocoby/jp_prefecture/pull/54)/[@chocoby](https://github.com/chocoby))
+
 ## 1.0.0 (2021-02-24)
 
 ### Misc

README.md

@@ -210,7 +210,7 @@ $ gem install jp_prefecture
 
 ## サポートしているバージョン
 
-* Ruby: 2.4 - 3.0
+* Ruby: 2.4 - 3.1
 * Rails: 5.0 - 6.1
 
 これより古い Ruby/Rails バージョンを使用する場合は、[`v0.11.0`](https://github.com/chocoby/jp_prefecture/tree/0.x) を利用してください。

README_EN.md

@@ -213,7 +213,7 @@ $ gem install jp_prefecture
 
 ## Supported versions
 
-* Ruby: 2.4 - 3.0
+* Ruby: 2.4 - 3.1
 * Rails: 5.0 - 6.1
 
 If you are using an older Ruby/Rails version, please use [`v0.11.0`](https://github.com/chocoby/jp_prefecture/tree/0.x).