From 9c8a93565e0a4238185911704a06bc8d377cd144 Mon Sep 17 00:00:00 2001
From: Claudio Bley <cbley@exa-online.de>
Date: Sun, 9 Dec 2018 09:23:52 +0100
Subject: [PATCH] Drop support for Ruby 2.1

It reached EOL already and rubocop > 0.60 no longer supports it.
---
 .travis.yml     | 1 -
 colorls.gemspec | 2 ++
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index dc12ec8..fb58d0c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,6 @@ cache:
   bundler
 
 rvm:
-  - '2.1'
   - '2.2'
   - '2.3'
   - '2.4'
diff --git a/colorls.gemspec b/colorls.gemspec
index 98df205..e9909d4 100644
--- a/colorls.gemspec
+++ b/colorls.gemspec
@@ -33,6 +33,8 @@ Gem::Specification.new do |spec|
   spec.homepage      = 'https://github.com/athityakumar/colorls'
   spec.license       = 'MIT'
 
+  spec.required_ruby_version = '>= 2.2.0'
+
   spec.files         = `git ls-files -z`.split("\x0").reject do |f|
     f.match(%r{^(test|spec|features)/})
   end