diff --git a/btcpay-greenfield-for-woocommerce.php b/btcpay-greenfield-for-woocommerce.php
index bd58dfd..df56672 100644
--- a/btcpay-greenfield-for-woocommerce.php
+++ b/btcpay-greenfield-for-woocommerce.php
@@ -7,7 +7,7 @@
  * Author URI:      https://btcpayserver.org
  * Text Domain:     btcpay-greenfield-for-woocommerce
  * Domain Path:     /languages
- * Version:         1.1.4
+ * Version:         1.1.5
  * Requires PHP:    7.4
  * Tested up to:    6.1
  * Requires at least: 5.2
@@ -24,7 +24,7 @@
 
 defined( 'ABSPATH' ) || exit();
 
-define( 'BTCPAYSERVER_VERSION', '1.1.4' );
+define( 'BTCPAYSERVER_VERSION', '1.1.5' );
 define( 'BTCPAYSERVER_VERSION_KEY', 'btcpay_gf_version' );
 define( 'BTCPAYSERVER_PLUGIN_FILE_PATH', plugin_dir_path( __FILE__ ) );
 define( 'BTCPAYSERVER_PLUGIN_URL', plugin_dir_url(__FILE__ ) );
diff --git a/readme.txt b/readme.txt
index 394899f..e2ce5a3 100644
--- a/readme.txt
+++ b/readme.txt
@@ -5,7 +5,7 @@ Tags: bitcoin, btcpay, BTCPay Server, btcpayserver, WooCommerce, payment gateway
 Requires at least: 5.2
 Tested up to: 6.1
 Requires PHP: 7.4
-Stable tag: 1.1.4
+Stable tag: 1.1.5
 License: MIT
 License URI: https://github.com/btcpayserver/woocommerce-greenfield-plugin/blob/master/license.txt
 
@@ -103,6 +103,9 @@ You'll find extensive documentation and answers to many of your questions on [BT
 6. Example of the PoS app you can launch.
 
 == Changelog ==
+= 1.1.5 :: 2023-03-08 =
+* Fix: fix error when plugins override delete_transient function not returning boolean value
+
 = 1.1.4 :: 2023-01-20 =
 (redo deployment because of broken build pipe)
 * Fix: fixed error on thank you page for separate payment methods.
diff --git a/src/Helper/GreenfieldApiHelper.php b/src/Helper/GreenfieldApiHelper.php
index 41a1e23..c761adc 100644
--- a/src/Helper/GreenfieldApiHelper.php
+++ b/src/Helper/GreenfieldApiHelper.php
@@ -119,8 +119,8 @@ public static function supportedPaymentMethods(): array {
 	/**
 	 * Deletes local cache of supported payment methods.
 	 */
-	public static function clearSupportedPaymentMethodsCache(): bool {
-		return delete_transient( self::PM_CACHE_KEY );
+	public static function clearSupportedPaymentMethodsCache(): void {
+		delete_transient( self::PM_CACHE_KEY );
 	}
 
 	/**