diff --git a/build/gen_stub.php b/build/gen_stub.php
index 0584ecc710d25..24e34430bdefb 100755
--- a/build/gen_stub.php
+++ b/build/gen_stub.php
@@ -1105,7 +1105,7 @@ function initPhpParser() {
     }
 
     $isInitialized = true;
-    $version = "4.3.0";
+    $version = "4.9.0";
     $phpParserDir = __DIR__ . "/PHP-Parser-$version";
     if (!is_dir($phpParserDir)) {
         installPhpParser($version, $phpParserDir);