diff --git a/lib/PhpParser/PhpVersion.php b/lib/PhpParser/PhpVersion.php
index db85b1e54c..04ff6ddcbf 100644
--- a/lib/PhpParser/PhpVersion.php
+++ b/lib/PhpParser/PhpVersion.php
@@ -43,7 +43,7 @@ public static function fromComponents(int $major, int $minor): self {
      * if it is still under development.
      */
     public static function getNewestSupported(): self {
-        return self::fromComponents(8, 3);
+        return self::fromComponents(8, 4);
     }
 
     /**