diff --git a/composer.json b/composer.json
index 54bb1b2..d03c714 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,8 @@
         "allow-plugins": {
             "dealerdirect/phpcodesniffer-composer-installer": true,
             "johnpbloch/wordpress-core-installer": true
-        }
+        },
+        "lock": false
     },
     "extra": {
         "branch-alias": {
diff --git a/src/PhpArrayGenerator.php b/src/PhpArrayGenerator.php
index d76efc5..eadb4d2 100644
--- a/src/PhpArrayGenerator.php
+++ b/src/PhpArrayGenerator.php
@@ -119,6 +119,7 @@ protected static function toArray( Translations $translations, $include_headers,
 	 */
 	private static function array_is_list( array $arr ) {
 		if ( function_exists( 'array_is_list' ) ) {
+			// phpcs:ignore PHPCompatibility.FunctionUse.NewFunctions.array_is_listFound
 			return array_is_list( $arr );
 		}