From 059fa4ea1d93068cd0d8fe62e697d0a8c9cedfc4 Mon Sep 17 00:00:00 2001
From: Masataka Kuwabara <p.ck.t22@gmail.com>
Date: Wed, 24 Aug 2016 15:39:22 +0900
Subject: [PATCH] Drop support for MRI 2.0.x

---
 .travis.yml       | 1 -
 CHANGELOG.md      | 1 +
 README.md         | 2 ++
 expeditor.gemspec | 2 ++
 4 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 48c95e9..6c4376d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,6 @@ language: ruby
 sudo: false
 cache: bundler
 rvm:
-  - 2.0.0
   - 2.1
   - 2.2
   - 2.3.0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1515131..86336c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 ## Master (unreleased)
 
+- Drop support for MRI 2.0.x [#15](https://github.com/cookpad/expeditor/pull/15)
 - Deprecate Expeditor::Command#with_fallback. Use `set_fallback` instead [#14](https://github.com/cookpad/expeditor/pull/14)
 
 ## 0.4.0
diff --git a/README.md b/README.md
index 9a3c3ad..977011d 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,8 @@ It is inspired by [Netflix/Hystrix](https://github.com/Netflix/Hystrix).
 
 ## Installation
 
+Expeditor currently supports Ruby 2.1 and higher.
+
 Add this line to your application's Gemfile:
 
 ```ruby
diff --git a/expeditor.gemspec b/expeditor.gemspec
index ff82677..00c88ef 100644
--- a/expeditor.gemspec
+++ b/expeditor.gemspec
@@ -19,6 +19,8 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
+  spec.required_ruby_version = '>= 2.0.0'
+
   spec.add_runtime_dependency "concurrent-ruby", "~> 1.0.0"
   spec.add_runtime_dependency "concurrent-ruby-ext", "~> 1.0.0"
   spec.add_runtime_dependency "retryable", "> 1.0"