diff --git a/gravity-forms-braintree.php b/gravity-forms-braintree.php
index c854f80..45534e9 100644
--- a/gravity-forms-braintree.php
+++ b/gravity-forms-braintree.php
@@ -4,7 +4,7 @@
 Plugin URI: http://plugify.io/
 Description: Allow your customers to purchase goods and services through Gravity Forms via Braintree Payments
 Author: Plugify
-Version: 1.1
+Version: 1.1.1
 Author URI: http://plugify.io
 */
 
diff --git a/lib/class.plugify-gform-braintree.php b/lib/class.plugify-gform-braintree.php
index b88b96c..eb3dbdc 100644
--- a/lib/class.plugify-gform-braintree.php
+++ b/lib/class.plugify-gform-braintree.php
@@ -81,11 +81,14 @@ protected function authorize( $feed, $submission_data, $form, $entry ) {
 		// at least, not in this version
 		if( $settings = $this->get_plugin_settings() ) {
 
+			// Sanitize card number, removing dashes and spaces
+			$card_number = str_replace( array( '-', ' ' ), '', $submission_data['card_number'] );
+
 			// Prepare Braintree payload
 			$args = array(
 				'amount' => $submission_data['payment_amount'],
 				'creditCard' => array(
-					'number' => $submission_data['card_number'],
+					'number' => $card_number,
 					'expirationDate' => sprintf( '%s/%s', $submission_data['card_expiration_date'][0], $submission_data['card_expiration_date'][1]),
 					'cardholderName' => $submission_data['card_name'],
 					'cvv' => $submission_data['card_security_code']
@@ -104,7 +107,7 @@ protected function authorize( $feed, $submission_data, $form, $entry ) {
 				if( $settings['settlement'] == 'Yes' ) {
 					$args['options']['submitForSettlement'] = 'true';
 				}
-				
+
 				// Send transaction to Braintree
 				$result = Braintree_Transaction::sale( $args );
 
diff --git a/readme.txt b/readme.txt
index 707f427..05daa4d 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=hello
 Tags: credit card,braintree,gravity form,payment
 Requires at least: 3.8
 Tested up to: 3.9
-Stable tag: 1.1
+Stable tag: 1.1.1
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -61,6 +61,9 @@ No filters are currently available for this pre-release version
 
 == Changelog ==
 
+= 1.1.1 =
+* Dashes and spaces are now removed from credit card number before sending to Braintree
+
 = 1.1 =
 * Fixed bug causing automatic settlement submission to fail