diff --git a/src/Configuration/ECSConfigBuilder.php b/src/Configuration/ECSConfigBuilder.php
index 0272d4dd04..4a2b85cd20 100644
--- a/src/Configuration/ECSConfigBuilder.php
+++ b/src/Configuration/ECSConfigBuilder.php
@@ -307,6 +307,7 @@ public function withPhpCsFixerSets(
         bool $php81Migration = false,
         bool $php82Migration = false,
         bool $php83Migration = false,
+        bool $php84Migration = false,
         bool $phpunit30MigrationRisky = false,
         bool $phpunit32MigrationRisky = false,
         bool $phpunit35MigrationRisky = false,
@@ -423,6 +424,10 @@ public function withPhpCsFixerSets(
             $this->dynamicSets[] = '@PHP83Migration';
         }
 
+        if ($php84Migration) {
+            $this->dynamicSets[] = '@PHP84Migration';
+        }
+
         if ($phpunit30MigrationRisky) {
             $this->dynamicSets[] = '@PHPUnit30Migration:risky';
         }