diff --git a/README.md b/README.md
index 08f0157..80b0d41 100644
--- a/README.md
+++ b/README.md
@@ -44,9 +44,9 @@ Once you have an API that can describe itself in Swagger, you've opened the trea
     ```ruby
     rails g rswag:install
     ```
-    
+
     Or run the install generators for each package separately if you installed Rswag as separate gems, as indicated above:
-    
+
     ```ruby
     rails g rswag:api:install rswag:ui:install
     RAILS_ENV=test rails g rswag:specs:install
@@ -477,6 +477,17 @@ Rswag::Ui.configure do |c|
 end
 ```
 
+### Enable Simple Basic Auth for swagger-ui
+
+You can also update the _rswag-ui.rb_ initializer, installed with rswag-ui to specify a username and password should you want to keep your documentation private.
+
+```ruby
+Rswag::Ui.configure do |c|
+  c.basic_auth_enabled = true
+  c.basic_auth_credentials 'username', 'password'
+end
+```
+
 ### Route Prefix for the swagger-ui ###
 
 Similar to rswag-api, you can customize the swagger-ui path by changing it's mount prefix in _routes.rb_:
diff --git a/rswag-ui/spec/rswag/ui/configuration_spec.rb b/rswag-ui/spec/rswag/ui/configuration_spec.rb
new file mode 100644
index 0000000..2df2c8d
--- /dev/null
+++ b/rswag-ui/spec/rswag/ui/configuration_spec.rb
@@ -0,0 +1,50 @@
+require 'spec_helper'
+
+RSpec.describe Rswag::Ui::Configuration do
+  describe '#swagger_endpoints'
+
+  describe '#basic_auth_enabled' do
+    context 'when unspecified' do
+      it 'defaults to false' do
+        configuration = described_class.new
+        basic_auth_enabled = configuration.basic_auth_enabled
+
+        expect(basic_auth_enabled).to be(false)
+      end
+    end
+
+    context 'when specified' do
+      context 'when set to true' do
+        it 'returns true' do
+          configuration = described_class.new
+          configuration.basic_auth_enabled = true
+          basic_auth_enabled = configuration.basic_auth_enabled
+
+          expect(basic_auth_enabled).to be(true)
+        end
+      end
+
+      context 'when set to false' do
+        it 'returns false' do
+          configuration = described_class.new
+          configuration.basic_auth_enabled = false
+          basic_auth_enabled = configuration.basic_auth_enabled
+
+          expect(basic_auth_enabled).to be(false)
+        end
+      end
+    end
+  end
+
+  describe '#basic_auth_credentials' do
+    it 'sets the username and password' do
+      configuration = described_class.new
+      configuration.basic_auth_credentials 'foo', 'bar'
+      credentials = configuration.config_object[:basic_aut]
+
+      expect(credentials).to eq(username: 'foo', password: 'bar')
+    end
+  end
+
+  describe '#get_binding'
+end
diff --git a/rswag-ui/spec/spec_helper.rb b/rswag-ui/spec/spec_helper.rb
index e69de29..c242286 100644
--- a/rswag-ui/spec/spec_helper.rb
+++ b/rswag-ui/spec/spec_helper.rb
@@ -0,0 +1,16 @@
+require 'bundler/setup'
+
+require 'rack'
+require 'rswag/ui/configuration'
+
+RSpec.configure do |config|
+  # Enable flags like --only-failures and --next-failure
+  config.example_status_persistence_file_path = ".rspec_status"
+
+  # Disable RSpec exposing methods globally on `Module` and `main`
+  config.disable_monkey_patching!
+
+  config.expect_with :rspec do |c|
+    c.syntax = :expect
+  end
+end