diff --git a/.env.sample b/.env.sample
index 23ce033..f0a4565 100644
--- a/.env.sample
+++ b/.env.sample
@@ -1,4 +1,4 @@
 EMAIL="YOUR_EMAIL"
 PASSWORD="YOUR_PASSWORD"
-INSTANCE_ZUID=""
+INSTANCE_ZUID="YOUR_INSTANCE_ZUID"
 MODEL_ZUID=""
diff --git a/Gemfile b/Gemfile
index 7191883..430b8d9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,6 +3,13 @@ source "https://rubygems.org"
 # Specify your gem's dependencies in zesty.gemspec
 gemspec
 
+gem "rake"
+gem "dotenv"
+gem "rspec"
+gem "rspec-json_expectations"
+gem "vcr"
+gem "webmock"
+
 group :test do
   gem "simplecov", require: false
   gem "simplecov-cobertura"
diff --git a/Gemfile.lock b/Gemfile.lock
index 12290b9..af4b77e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -16,8 +16,7 @@ GEM
       rexml
     diff-lcs (1.5.1)
     docile (1.4.1)
-    domain_name (0.5.20190701)
-      unf (>= 0.0.5, < 1.0.0)
+    domain_name (0.6.20240107)
     dotenv (3.1.2)
     ffi (1.17.0)
     ffi-compiler (1.3.2)
@@ -36,7 +35,7 @@ GEM
     llhttp-ffi (0.5.0)
       ffi-compiler (~> 1.0)
       rake (~> 13.0)
-    public_suffix (6.0.0)
+    public_suffix (6.0.1)
     rake (13.2.1)
     rexml (3.3.2)
       strscan
@@ -64,9 +63,6 @@ GEM
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
     strscan (3.1.0)
-    unf (0.1.4)
-      unf_ext
-    unf_ext (0.0.9.1)
     vcr (6.2.0)
     webmock (3.23.1)
       addressable (>= 2.8.0)
@@ -77,10 +73,9 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  bundler (~> 2.0)
   dotenv
-  rake (~> 13.0)
-  rspec (~> 3.0)
+  rake
+  rspec
   rspec-json_expectations
   simplecov
   simplecov-cobertura
@@ -89,4 +84,4 @@ DEPENDENCIES
   zesty!
 
 BUNDLED WITH
-   2.3.10
+   2.5.13
diff --git a/bin/setup b/bin/setup
index 93c03a8..4dec967 100755
--- a/bin/setup
+++ b/bin/setup
@@ -7,7 +7,9 @@ bundle install
 echo "Enter your Zesty account credentials below."
 read -p 'Email: ' email
 read -p 'Password: ' password
+read -p 'Instance ZUID: ' instance_zuid
 
 cp .env.sample .env
 sed -i '' -e "s/YOUR_EMAIL/$email/g" .env
 sed -i '' -e "s/YOUR_PASSWORD/$password/g" .env
+sed -i '' -e "s/YOUR_INSTANCE_ZUID/$instance_zuid/g" .env
diff --git a/zesty.gemspec b/zesty.gemspec
index 8205d9b..cc5a31e 100644
--- a/zesty.gemspec
+++ b/zesty.gemspec
@@ -1,19 +1,15 @@
-lib = File.expand_path("lib", __dir__)
-$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
-require "zesty/version"
+require_relative "lib/zesty/version"
 
 Gem::Specification.new do |spec|
-  spec.name          = "zesty"
-  spec.version       = Zesty::VERSION
-  spec.authors       = ["Javier Julio"]
-  spec.email         = ["javier@jackpocket.com"]
+  spec.name = "zesty"
+  spec.version = Zesty::VERSION
+  spec.authors = ["Javier Julio"]
+  spec.email = ["javier@jackpocket.com"]
 
-  spec.summary       = %q{A Ruby interface to the Zesty.io API}
-  spec.description   = %q{A Ruby interface to the Zesty.io API}
-  spec.homepage      = "https://github.com/jackpocket/zesty-rb"
-  spec.license       = "MIT"
-
-  # spec.metadata["allowed_push_host"] = "TODO: Set to 'http://mygemserver.com'"
+  spec.summary = "A Ruby interface to the Zesty.io API"
+  spec.description = "A Ruby interface to the Zesty.io API. Not all API actions are supported."
+  spec.homepage = "https://github.com/jackpocket/zesty-rb"
+  spec.license = "MIT"
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage
@@ -21,23 +17,10 @@ Gem::Specification.new do |spec|
   spec.metadata["bug_tracker_uri"] = "https://github.com/jackpocket/zesty-rb/issues"
 
   # 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(File.expand_path('..', __FILE__)) do
-    `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
-  end
-  spec.bindir        = "exe"
-  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
+  spec.files = Dir["README.md", "LICENSE*", "lib/**/*.rb"]
   spec.require_paths = ["lib"]
 
   spec.required_ruby_version = ">= 2.5.0"
 
   spec.add_dependency "http", ">= 4", "< 6"
-
-  spec.add_development_dependency "bundler", "~> 2.0"
-  spec.add_development_dependency "rake", "~> 13.0"
-  spec.add_development_dependency "rspec", "~> 3.0"
-  spec.add_development_dependency "rspec-json_expectations"
-  spec.add_development_dependency "dotenv"
-  spec.add_development_dependency "vcr"
-  spec.add_development_dependency "webmock"
 end