From 0abea7b2312b9bf0664eba29c261496babadacf8 Mon Sep 17 00:00:00 2001
From: Simone Carletti <weppos@weppos.net>
Date: Tue, 25 Jun 2019 23:05:52 +0200
Subject: [PATCH] Minimum Ruby version 2.3

---
 .travis.yml     | 13 +++++--------
 CHANGELOG.md    |  5 +++++
 CONTRIBUTING.md | 24 ++++++++++++++++++------
 whois.gemspec   |  2 +-
 4 files changed, 29 insertions(+), 15 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index c853c44e9..5ba3da2ca 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,12 +1,11 @@
 language: ruby
 
 rvm:
-  # - 2.1
-  # - 2.2
-  - 2.3
-  - 2.4
-  - 2.5
-  - 2.6
+  - "2.3"
+  - "2.4"
+  - "2.5"
+  - "2.6"
+  - "2.7"
   - jruby-9.1.5.0
   - ruby-head
 
@@ -19,9 +18,7 @@ cache:
 matrix:
   allow_failures:
     - rvm: ruby-head
-    - rvm: jruby-head
     - rvm: jruby-9.1.5.0
 
 before_install:
-  # - rvm get latest
   - gem install bundler
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f300009ad..2df2f8bfd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,11 @@
 This project uses [Semantic Versioning 2.0.0](http://semver.org/).
 
 
+#### master
+
+- CHANGED: Minimum Ruby version 2.3
+
+
 #### Release 4.1.0
 
 - SERVER: Add .SS
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 766265e3e..ee1ed5e98 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -4,27 +4,39 @@
 
 Fork, then clone the repo:
 
-    $ git clone git@github.com:your-username/whois.git
+~~~
+git clone git@github.com:your-username/whois.git
+~~~
 
 Set up your machine:
 
-    $ bundle
+~~~
+bundle
+~~~
 
 Make sure the tests pass:
 
-    $ bundle exec rake
+~~~
+bundle exec rake
+~~~
 
 To propose a change/feature/patch, create your feature branch:
 
-    $ git checkout -b my-new-feature
+~~~
+git checkout -b my-new-feature
+~~~
 
 Make your change. Add tests for your change. Make the tests pass:
 
-    $ bundle exec rake
+~~~
+bundle exec rake
+~~~
 
 Commit your changes:
 
-    $ git commit -am 'Add some feature'
+~~~
+git commit -am 'Add some feature'
+~~~
 
 Push to your fork and [submit a pull request](https://github.com/weppos/whois/compare/).
 
diff --git a/whois.gemspec b/whois.gemspec
index c5864aaf1..3dd054321 100644
--- a/whois.gemspec
+++ b/whois.gemspec
@@ -12,7 +12,7 @@ Gem::Specification.new do |s|
   s.description = 'Whois is an intelligent WHOIS client and parser written in pure Ruby. It can query registry data for IPv4, IPv6 and top level domains, and parse the responses into easy-to-use Ruby objects via the whois-parser library.'
   s.license     = 'MIT'
 
-  s.required_ruby_version = '>= 2.0.0'
+  s.required_ruby_version = '>= 2.3'
 
   s.require_paths    = %w( lib )
   s.executables      =%w( whoisrb )