diff --git a/src/Gateways/Gateway.php b/src/Gateways/Gateway.php
index 53de947..ef2f1d4 100644
--- a/src/Gateways/Gateway.php
+++ b/src/Gateways/Gateway.php
@@ -52,6 +52,12 @@ public function init() {
 
 			if ( null !== $payment_method && $payment_method->supports( 'recurring' ) ) {
 				$this->supports = [
+					/**
+					 * Price changes.
+					 * 
+					 * @link https://github.com/pronamic/wp-pronamic-pay-restrict-content-pro/issues/19
+					 */
+					'price-changes',
 					'recurring',
 					/**
 					 * Renewal date changes.