diff --git a/class-wc-facebookcommerce.php b/class-wc-facebookcommerce.php
index 05c579df3..4811289ff 100644
--- a/class-wc-facebookcommerce.php
+++ b/class-wc-facebookcommerce.php
@@ -262,12 +262,14 @@ protected function get_deprecated_hooks() {
 		 * @since x.x.x
 		 */
 		public function add_setup_task() {
-			TaskLists::add_task(
-				'extended',
-				new Setup(
-					TaskLists::get_list( 'extended' )
-				)
-			);
+			if ( class_exists( 'TaskLists' ) ) { // This is added for backward compatibility.
+				TaskLists::add_task(
+					'extended',
+					new Setup(
+						TaskLists::get_list( 'extended' )
+					)
+				);
+			}
 		}
 
 		/**
@@ -384,7 +386,7 @@ public function add_admin_notices() {
 						&& \Automattic\WooCommerce\Admin\Loader::is_feature_enabled( 'marketing' );
 				}
 
-				if ( $is_marketing_enabled ) {
+				if ( $is_marketing_enabled && class_exists( '\Automattic\WooCommerce\Admin\Notes\Note' ) ) { // Checking for Note class is for backward compatibility.
 					SettingsMoved::possibly_add_or_delete_note();
 				}
 			}
diff --git a/facebook-for-woocommerce.php b/facebook-for-woocommerce.php
index f268f8e15..9ceb5f140 100644
--- a/facebook-for-woocommerce.php
+++ b/facebook-for-woocommerce.php
@@ -14,7 +14,7 @@
  * Version: 2.6.28
  * Text Domain: facebook-for-woocommerce
  * Tested up to: 6.0
- * WC requires at least: 3.5.0
+ * WC requires at least: 5.3
  * WC tested up to: 7.0
  * Requires PHP: 7.0
  *
@@ -53,7 +53,7 @@ class WC_Facebook_Loader {
 	const MINIMUM_WP_VERSION = '4.4';
 
 	// Minimum WooCommerce version required by this plugin.
-	const MINIMUM_WC_VERSION = '3.5.0';
+	const MINIMUM_WC_VERSION = '5.3';
 
 	// SkyVerge plugin framework version used by this plugin.
 	const FRAMEWORK_VERSION = '5.10.0';