diff --git a/README.md b/README.md
index 36747e0b..e97ced48 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,12 @@ Bashly - Bash CLI Generator
 
 Create beautiful bash scripts from simple YAML configuration.
 
+[![Gem Version](https://badge.fury.io/rb/bashly.svg)](https://badge.fury.io/rb/bashly)
+[![Build Status](https://travis-ci.com/DannyBen/bashly.svg?branch=master)](https://travis-ci.com/DannyBen/bashly)
+[![Maintainability](https://api.codeclimate.com/v1/badges/8cf89047e50ca601e431/maintainability)](https://codeclimate.com/github/DannyBen/bashly/maintainability)
+
+---
+
 ![demo](demo/cast.svg)
 
 ---
@@ -46,3 +52,6 @@ Contributing / Support
 
 If you experience any issue, have a question or a suggestion, or if you wish
 to contribute, feel free to [open an issue][issues].
+
+[issues]: https://github.com/DannyBen/bashly/issues
+
diff --git a/bashly.gemspec b/bashly.gemspec
index b4615325..f372bf93 100644
--- a/bashly.gemspec
+++ b/bashly.gemspec
@@ -17,7 +17,7 @@ Gem::Specification.new do |s|
   s.license     = 'MIT'
   s.required_ruby_version = ">= 2.3.0"
 
-  s.add_runtime_dependency 'colsole', '~> 0.5'
-  s.add_runtime_dependency 'mister_bin', '~> 0.6'
+  s.add_runtime_dependency 'colsole', '~> 0.6'
+  s.add_runtime_dependency 'mister_bin', '~> 0.7'
   s.add_runtime_dependency 'requires', '~> 0.1'
 end
diff --git a/lib/bashly.rb b/lib/bashly.rb
index 9a211f1e..1d24ffeb 100644
--- a/lib/bashly.rb
+++ b/lib/bashly.rb
@@ -5,6 +5,7 @@
   require 'lp'
 end
 
+requires 'bashly/polyfills'
 requires 'bashly/settings'
 requires 'bashly/exceptions'
 requires 'bashly/concerns'
diff --git a/lib/bashly/polyfills/hash.rb b/lib/bashly/polyfills/hash.rb
new file mode 100644
index 00000000..64974738
--- /dev/null
+++ b/lib/bashly/polyfills/hash.rb
@@ -0,0 +1,10 @@
+# :nocov:
+
+# Required for Ruby < 2.4
+if !Dir.respond_to? :empty?
+  class Dir
+    def self.empty?(path_name)
+      exist?(path_name) && (entries(path_name) - ['.', '..']).empty?
+    end
+  end
+end
\ No newline at end of file
diff --git a/spec/approvals/cli/error b/spec/approvals/cli/error
index bdcf3d0a..8f11e52f 100644
--- a/spec/approvals/cli/error
+++ b/spec/approvals/cli/error
@@ -1,3 +1,4 @@
-Errno::ENOENT
+Errno::ENOENT
 No such file or directory @ rb_sysopen - src/bashly.yml
-creating user files in src
+creating user files in src
+
\ No newline at end of file