diff --git a/lib/oja/cli.rb b/lib/oja/cli.rb
index 79e872f..894011a 100644
--- a/lib/oja/cli.rb
+++ b/lib/oja/cli.rb
@@ -8,13 +8,20 @@ def initialize(argv)
     end
 
     def usage
-      puts "Usage: #{File.basename($0)} <receipt-file>"
+      puts "Usage: #{File.basename($0)} <receipt-file> [options]"
+      puts ""
+      puts "Options"
+      puts "  -p, --password <password>"
     end
 
     def receipt_filename
       @argv[0]
     end
 
+    def password
+      @options['p'] || @options['password']
+    end
+
     def print_receipt_details(receipt_data)
       receipt_data.each do |key, value|
         puts "#{key}: #{value}"
@@ -22,7 +29,7 @@ def print_receipt_details(receipt_data)
     end
 
     def check_receipt
-      if response = Oja.verify_filename(receipt_filename)
+      if response = Oja.verify_filename(:filename => receipt_filename, :password => password)
         if response.active?
           puts "[!] Receipt appears to be valid and active"
           puts
diff --git a/spec/cli_spec.rb b/spec/cli_spec.rb
index abd5a2f..f92c9e2 100644
--- a/spec/cli_spec.rb
+++ b/spec/cli_spec.rb
@@ -17,6 +17,11 @@
     output.should.include 'product_id'
   end
 
+  it "allows you to pass a password" do
+    cli = Oja::CLI.new([receipt_filename('receipt'), '--password', 'secret'])
+    cli.password.should == 'secret'
+  end
+
   it "shows a message when the receipt is invalid" do
     Oja::Mock.responses << [200, { status: Oja::Response.status_code(:inactive) }]
     output = oja(receipt_filename('receipt'))