diff --git a/lib/shrimp/configuration.rb b/lib/shrimp/configuration.rb
index eacd238..bc3f250 100644
--- a/lib/shrimp/configuration.rb
+++ b/lib/shrimp/configuration.rb
@@ -5,7 +5,9 @@ class Configuration
     attr_accessor :default_options
     attr_writer :phantomjs
 
-    [:format, :margin, :zoom, :orientation, :tmpdir, :rendering_timeout, :rendering_time, :command_config_file, :viewport_width, :viewport_height, :max_redirect_count].each do |m|
+    [:format, :margin, :zoom, :orientation, :tmpdir, :rendering_timeout,
+     :rendering_time, :command_config_file, :viewport_width, :viewport_height,
+     :max_redirect_count, :basic_auth_username, :basic_auth_password].each do |m|
       define_method("#{m}=") do |val|
         @default_options[m]=val
       end
@@ -23,7 +25,9 @@ def initialize
           :command_config_file  => File.expand_path('../config.json', __FILE__),
           :viewport_width       => 600,
           :viewport_height      => 600,
-          :max_redirect_count   => 0
+          :max_redirect_count   => 0,
+          :basic_auth_username  => nil,
+          :basic_auth_password  => nil,
       }
     end
 
diff --git a/lib/shrimp/phantom.rb b/lib/shrimp/phantom.rb
index 9b689ff..5bd43cd 100644
--- a/lib/shrimp/phantom.rb
+++ b/lib/shrimp/phantom.rb
@@ -76,8 +76,10 @@ def cmd
         timeout,
         viewport_width,
         viewport_height,
-        max_redirect_count
-      ].join(" ")
+        max_redirect_count,
+        options[:basic_auth_username],
+        options[:basic_auth_password]
+      ].join(" ").rstrip
     end
 
     # Public: initializes a new Phantom Object
diff --git a/lib/shrimp/rasterize.js b/lib/shrimp/rasterize.js
index 731382e..3abfbe8 100644
--- a/lib/shrimp/rasterize.js
+++ b/lib/shrimp/rasterize.js
@@ -10,6 +10,8 @@ var
   viewport_width  = system.args[10] || 600,
   viewport_height = system.args[11] || 600,
   redirects_num   = system.args[12] || 0,
+  basic_auth_username = system.args[13],
+  basic_auth_password = system.args[14],
   cookies = {},
   address, output, size;
 
@@ -21,7 +23,7 @@ function error(msg) {
 }
 
 function print_usage() {
-  console.log('Usage: rasterize.js URL filename [paperwidth*paperheight|paperformat] [zoom] [margin] [orientation] [cookie_file] [render_time] [time_out] [viewport_width] [viewport_height] [max_redirects_count]');
+  console.log('Usage: rasterize.js URL filename [paperwidth*paperheight|paperformat] [zoom] [margin] [orientation] [cookie_file] [render_time] [time_out] [viewport_width] [viewport_height] [max_redirects_count] [basic_auth_username] [basic_auth_password]');
   console.log('  paper (pdf output) examples: "5in*7.5in", "10cm*20cm", "A4", "Letter"');
 }
 
@@ -110,7 +112,7 @@ if (cookie_file) {
   phantom.cookies = cookies;
 }
 
-if (system.args.length < 3 || system.args.length > 13) {
+if (system.args.length < 3 || system.args.length > 15) {
   print_usage() && phantom.exit(2);
 } else {
   address = system.args[1];
@@ -120,6 +122,10 @@ if (system.args.length < 3 || system.args.length > 13) {
     viewportSize: {
       width:  viewport_width,
       height: viewport_height
+    },
+    settings: {
+      userName: basic_auth_username,
+      password: basic_auth_password
     }
   };
 
diff --git a/spec/shrimp/phantom_spec.rb b/spec/shrimp/phantom_spec.rb
index 9d4978b..56fe0cb 100644
--- a/spec/shrimp/phantom_spec.rb
+++ b/spec/shrimp/phantom_spec.rb
@@ -65,6 +65,24 @@ def valid_pdf(io)
     phantom.cmd.should end_with " 10"
   end
 
+  it "should pass basic auth options into cmd line" do
+    basic_auth_username = 'frodo9finger'
+    basic_auth_password = 'foobarbaz'
+    phantom = Shrimp::Phantom.new("file://#{testfile}", {
+      :margin => "2cm",
+      :max_redirect_count => 10,
+      :basic_auth_username => basic_auth_username,
+      :basic_auth_password => basic_auth_password }, { },
+    "#{Dir.tmpdir}/test.pdf"
+    )
+
+    phantom.cmd.should include "test.pdf A4 1 2cm portrait"
+    phantom.cmd.should include "file://#{testfile}"
+    phantom.cmd.should include "lib/shrimp/rasterize.js"
+    phantom.cmd.should include basic_auth_username
+    phantom.cmd.should end_with basic_auth_password
+  end
+
   it "should properly escape arguments" do
     malicious_uri = "file:///hello';shutdown"
     bogus_phantom = Shrimp::Phantom.new(malicious_uri)