diff --git a/package.json b/package.json
index bb2c4c42e..61b649888 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   ],
   "dependencies": {
     "linguist-languages": "^8.0.0",
-    "php-parser": "^3.2.5"
+    "php-parser": "^3.4.0"
   },
   "devDependencies": {
     "@babel/preset-env": "^7.27.2",
diff --git a/tests/class/__snapshots__/jsfmt.spec.mjs.snap b/tests/class/__snapshots__/jsfmt.spec.mjs.snap
index 6fff7326e..f1db17f9d 100644
--- a/tests/class/__snapshots__/jsfmt.spec.mjs.snap
+++ b/tests/class/__snapshots__/jsfmt.spec.mjs.snap
@@ -274,6 +274,10 @@ $class = new class(
     }
 ) extends VeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongMyClass implements VeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongMyClass {};
 
+new readonly class() {};
+new readonly class {};
+new readonly class($one, $two, $three) {};
+
 =====================================output=====================================
 <?php
 interface Logger
@@ -592,6 +596,10 @@ $class = new class (
     extends VeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongMyClass
     implements VeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongMyClass {};
 
+new classreadonly  {};
+new classreadonly  {};
+new class ($one, $two, $three)readonly  {};
+
 ================================================================================
 `;
 
diff --git a/tests/class/anonymous.php b/tests/class/anonymous.php
index 63c145a77..55778267b 100644
--- a/tests/class/anonymous.php
+++ b/tests/class/anonymous.php
@@ -265,3 +265,7 @@ function () {
         return 1;
     }
 ) extends VeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongMyClass implements VeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongMyClass {};
+
+new readonly class() {};
+new readonly class {};
+new readonly class($one, $two, $three) {};
diff --git a/yarn.lock b/yarn.lock
index b36e788a3..8a28a943e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4701,10 +4701,10 @@ path-type@^4.0.0:
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-4.0.0.tgz#84ed01c0a7ba380afe09d90a8c180dcd9d03043b"
   integrity sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==
 
-php-parser@^3.2.5:
-  version "3.2.5"
-  resolved "https://registry.yarnpkg.com/php-parser/-/php-parser-3.2.5.tgz#24ff4b4f3e1788967f7737e43c273a5a8e7cd0ac"
-  integrity sha512-M1ZYlALFFnESbSdmRtTQrBFUHSriHgPhgqtTF/LCbZM4h7swR5PHtUceB2Kzby5CfqcsYwBn7OXTJ0+8Sajwkw==
+php-parser@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/php-parser/-/php-parser-3.4.0.tgz#dcd7743bf01caaaa7281e8b253f4cdbbea6e1265"
+  integrity sha512-JoDPazv8OESrVtcoIuO8HC587zVNJYSYUIl9zYn+JEpwlHSOrxmyMHB+sDS0O1ID5z1aFxPnr+vAUGoSKphlHA==
 
 picocolors@^1.0.0:
   version "1.0.0"