diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 0000000..806badf
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1,6 @@
+Metrics/MethodLength:
+  Max: 13
+
+AllCops:
+    NewCops: disable
+    TargetRubyVersion: 3.0
diff --git a/README.md b/README.md
index a2966ac..2f71d3c 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,9 @@ If bundler is not being used to manage dependencies, install the gem by executin
 
 ## Usage
 
-This gem provides access to the Zephyr Scale REST API.
+To get started all you need to do is set your zephyr API access token and instantiate the client.
+
+For API endpoint usage see the official REST API documentation [here](https://support.smartbear.com/zephyr-scale-cloud/api-docs/#section/Introduction).
 
 ```ruby
 require 'zephyr_ruby'
diff --git a/lib/zephyr_ruby/client.rb b/lib/zephyr_ruby/client.rb
index ad14317..a261d2a 100644
--- a/lib/zephyr_ruby/client.rb
+++ b/lib/zephyr_ruby/client.rb
@@ -16,6 +16,7 @@
 require_relative 'connection'
 
 require 'faraday'
+require 'faraday/multipart'
 require 'json'
 
 module ZephyrRuby
@@ -39,7 +40,11 @@ class Client
     def initialize(api_token)
       @base_url = 'https://api.zephyrscale.smartbear.com/v2'
       @api_token = api_token
-      @client = Faraday.new(@base_url, builder: build_middleware)
+      @client = Faraday.new(@base_url) do |f|
+        f.request :multipart
+        f.request :url_encoded
+        f.adapter Faraday.default_adapter
+      end
       @headers = {
         'Authorization' => "Bearer #{@api_token}",
         'Content-Type' => 'application/json'
diff --git a/lib/zephyr_ruby/connection.rb b/lib/zephyr_ruby/connection.rb
index 069b515..51c655b 100644
--- a/lib/zephyr_ruby/connection.rb
+++ b/lib/zephyr_ruby/connection.rb
@@ -8,8 +8,21 @@ def get(path, params = {})
       request :get, path, params
     end
 
-    def post(path, body)
-      body = body.to_json if body.is_a?(Hash)
+    def post(path, body, file_path = nil)
+      if file_path
+        mime_type = case File.extname(file_path).downcase
+                    when '.json' then 'application/json'
+                    when '.xml'  then 'application/xml'
+                    when '.zip'  then 'application/zip'
+                    else 'application/octet-stream'
+                    end
+
+        file = Faraday::UploadIO.new(file_path, mime_type)
+        body = { file: file }.merge(body) if body.is_a?(Hash)
+      elsif body.is_a?(Hash)
+        body = body.to_json
+      end
+
       request :post, path, body
     end
 
diff --git a/lib/zephyr_ruby/resource/test_executions.rb b/lib/zephyr_ruby/resource/test_executions.rb
index 95941af..d71d3a3 100644
--- a/lib/zephyr_ruby/resource/test_executions.rb
+++ b/lib/zephyr_ruby/resource/test_executions.rb
@@ -28,6 +28,26 @@ def create_test_execution_link(test_execution_id, body)
         def update_test_execution(test_execution_id, body)
           put "/testexecutions/#{test_execution_id}", body
         end
+
+        def get_test_steps(test_execution_id)
+          get "/testexecutions/#{test_execution_id}/teststeps"
+        end
+
+        def update_test_steps(test_execution_id, body)
+          put "/testexecutions/#{test_execution_id}/teststeps", body
+        end
+
+        def sync_test_execution(test_execution_id)
+          post "/testexecutions/#{test_execution_id}/teststeps/sync"
+        end
+
+        def get_test_execution_links(test_execution_id)
+          get "/testexecutions/#{test_execution_id}/links"
+        end
+
+        def create_test_execution_issue_link(test_execution_id, body)
+          post "/testexecutions/#{test_execution_id}/links/issues", body
+        end
       end
     end
   end
diff --git a/lib/zephyr_ruby/version.rb b/lib/zephyr_ruby/version.rb
index cc58d67..d01f517 100644
--- a/lib/zephyr_ruby/version.rb
+++ b/lib/zephyr_ruby/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module ZephyrRuby
-  VERSION = '0.4.0'
+  VERSION = '0.5.0'
 end
diff --git a/zephyr_ruby-0.3.0.gem b/zephyr_ruby-0.3.0.gem
deleted file mode 100644
index f9d55f5..0000000
Binary files a/zephyr_ruby-0.3.0.gem and /dev/null differ
diff --git a/zephyr_ruby-0.4.0.gem b/zephyr_ruby-0.4.0.gem
new file mode 100644
index 0000000..2b4b519
Binary files /dev/null and b/zephyr_ruby-0.4.0.gem differ
diff --git a/zephyr_ruby.gemspec b/zephyr_ruby.gemspec
index c001493..b1c4882 100644
--- a/zephyr_ruby.gemspec
+++ b/zephyr_ruby.gemspec
@@ -10,11 +10,9 @@ Gem::Specification.new do |spec|
   spec.summary     = 'Zephyr REST API Client for Ruby'
   spec.description = "Allows users to use Zephyr's REST API"
   spec.license     = 'MIT'
-  spec.required_ruby_version = '>= 2.6.0'
-  spec.homepage = 'https://github.com/chrisdavis180/zephyr_ruby'
+  spec.required_ruby_version = '>= 3.0'
+  spec.homepage = 'https://github.com/cdavis-personal/zephyr_ruby'
 
-  # Specify which files should be added to the gem when it is released.
-  # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
   spec.files = Dir.chdir(__dir__) do
     `git ls-files -z`.split("\x0").reject do |f|
       (f == __FILE__) || f.match(%r{\A(?:(?:bin|test|spec|features)/|\.(?:git|travis|circleci)|appveyor)})
@@ -27,7 +25,4 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'faraday', '~> 1.7', '>= 1.7.0'
   spec.add_dependency 'json', '~> 2.3', '>= 2.3.0'
   spec.add_dependency 'rspec', '~> 3.7', '>= 3.7.0'
-
-  # For more information and examples about making a new gem, check out our
-  # guide at: https://bundler.io/guides/creating_gem.html
 end