diff --git a/.gitignore b/.gitignore
index 68729d6..06fb850 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 .idea/
-.DS_Store
\ No newline at end of file
+.DS_Store
+composer.lock
+vendor/
\ No newline at end of file
diff --git a/demos/address_verify.php b/demos/address_verify.php
index 01e087f..c16d57a 100644
--- a/demos/address_verify.php
+++ b/demos/address_verify.php
@@ -1,5 +1,7 @@
 <?php
 
+require_once('autoload.php');
+
 // Initiate and set the username provided from usps
 $verify = new \USPS\AddressVerify('xxxx');
 
diff --git a/demos/autoload.php b/demos/autoload.php
new file mode 100644
index 0000000..0b5c96a
--- /dev/null
+++ b/demos/autoload.php
@@ -0,0 +1,3 @@
+<?php
+
+require_once('../vendor/autoload.php');
\ No newline at end of file
diff --git a/demos/citystatelookup.php b/demos/citystatelookup.php
index ba18a92..b6ed0ac 100644
--- a/demos/citystatelookup.php
+++ b/demos/citystatelookup.php
@@ -1,5 +1,7 @@
 <?php
 
+require_once('autoload.php');
+
 // Initiate and set the username provided from usps
 $verify = new \USPS\CityStateLookup('xxxx');
 
diff --git a/demos/domestic_rate.php b/demos/domestic_rate.php
index 4d2467b..72e1b7d 100644
--- a/demos/domestic_rate.php
+++ b/demos/domestic_rate.php
@@ -1,5 +1,7 @@
 <?php
 
+require_once('autoload.php');
+
 use USPS\RatePackage;
 
 // Initiate and set the username provided from usps
diff --git a/demos/firstclassservicestandard.php b/demos/firstclassservicestandard.php
index 4f77c8c..4a37487 100644
--- a/demos/firstclassservicestandard.php
+++ b/demos/firstclassservicestandard.php
@@ -1,5 +1,7 @@
 <?php
 
+require_once('autoload.php');
+
 // Initiate and set the username provided from usps.
 $delivery = new \USPS\FirstClassServiceStandards('xxxx');
 
diff --git a/demos/international_express_label.php b/demos/international_express_label.php
index 7e13ec2..62232d2 100644
--- a/demos/international_express_label.php
+++ b/demos/international_express_label.php
@@ -1,5 +1,7 @@
 <?php
 
+require_once('autoload.php');
+
 // Initiate and set the username provided from usps
 $label = new \USPS\InternationalLabel('xxxx');
 
diff --git a/demos/open_label.php b/demos/open_label.php
index d1f00de..4d32439 100644
--- a/demos/open_label.php
+++ b/demos/open_label.php
@@ -1,5 +1,7 @@
 <?php
 
+require_once('autoload.php');
+
 // Initiate and set the username provided from usps
 $label = new \USPS\OpenDistributeLabel('xxxx');
 
diff --git a/demos/priority_label.php b/demos/priority_label.php
index cdc03ee..5a94e15 100644
--- a/demos/priority_label.php
+++ b/demos/priority_label.php
@@ -1,5 +1,7 @@
 <?php
 
+require_once('autoload.php');
+
 // Initiate and set the username provided from usps
 $label = new \USPS\PriorityLabel('xxxx');
 
diff --git a/demos/servicedeliverycalculator.php b/demos/servicedeliverycalculator.php
index a824f91..db9bcc5 100644
--- a/demos/servicedeliverycalculator.php
+++ b/demos/servicedeliverycalculator.php
@@ -1,5 +1,7 @@
 <?php
 
+require_once('autoload.php');
+
 // Initiate and set the username provided from usps
 $delivery = new \USPS\ServiceDeliveryCalculator('xxxx');
 
diff --git a/demos/trackconfirm.php b/demos/trackconfirm.php
index df2ee8a..531810c 100644
--- a/demos/trackconfirm.php
+++ b/demos/trackconfirm.php
@@ -1,5 +1,7 @@
 <?php
 
+require_once('autoload.php');
+
 // Initiate and set the username provided from usps
 $tracking = new \USPS\TrackConfirm('xxxx');
 
diff --git a/demos/zipcodelookup.php b/demos/zipcodelookup.php
index 67da644..e38567d 100644
--- a/demos/zipcodelookup.php
+++ b/demos/zipcodelookup.php
@@ -1,5 +1,7 @@
 <?php
 
+require_once('autoload.php');
+
 // Initiate and set the username provided from usps
 $zipcode = new \USPS\ZipCodeLookup('xxxx');