diff --git a/package.json b/package.json
index e714c4a83..7a5fc263e 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   "dependencies": {
     "linguist-languages": "^7.21.0",
     "mem": "^8.0.0",
-    "php-parser": "^3.1.2"
+    "php-parser": "^3.1.3"
   },
   "devDependencies": {
     "@babel/preset-env": "^7.19.4",
diff --git a/src/printer.js b/src/printer.js
index 1783d28b3..3d6269e1e 100644
--- a/src/printer.js
+++ b/src/printer.js
@@ -1254,6 +1254,10 @@ function printClass(path, options, print) {
   const attrs = printAttrs(path, options, print, { inline: isAnonymousClass });
   const declaration = isAnonymousClass ? [] : [...attrs];
 
+  if (node.isReadonly) {
+    declaration.push("readonly ");
+  }
+
   if (node.isFinal) {
     declaration.push("final ");
   }
diff --git a/tests/class/__snapshots__/jsfmt.spec.js.snap b/tests/class/__snapshots__/jsfmt.spec.js.snap
index 906855210..76457e653 100644
--- a/tests/class/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/class/__snapshots__/jsfmt.spec.js.snap
@@ -935,6 +935,11 @@ class Promoted {
 
     }
 }
+
+readonly class ReadOnlyCls {
+    public string $myValue;
+}
+
 =====================================output=====================================
 <?php
 
@@ -1456,5 +1461,10 @@ class Promoted
     }
 }
 
+readonly class ReadOnlyCls
+{
+    public string $myValue;
+}
+
 ================================================================================
 `;
diff --git a/tests/class/class.php b/tests/class/class.php
index fb5a4cd63..a861de817 100644
--- a/tests/class/class.php
+++ b/tests/class/class.php
@@ -299,4 +299,8 @@ class Promoted {
     public function __construct(   public  int $a, private float $b, protected  string  $d  ){
 
     }
-}
\ No newline at end of file
+}
+
+readonly class ReadOnlyCls {
+    public string $myValue;
+}
diff --git a/yarn.lock b/yarn.lock
index 75431481e..01e4d7835 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4148,10 +4148,10 @@ 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@^3.1.2:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/php-parser/-/php-parser-3.1.2.tgz#db704c584ea4085142fc5d3c33218b207d5f9a09"
-  integrity sha512-RRCMK/bCKYPLRhlpfMlVVVsaIesuW+X6UxRqWjm7dTAmTZk8PvD6hCmG/RVeDzse7iqYWJwLJeqEbaGLC+aHeQ==
+php-parser@^3.1.3:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/php-parser/-/php-parser-3.1.3.tgz#7a2aac2eb88a5a6c5aa75e6170a256bee5a30e6b"
+  integrity sha512-hPvBmnRYPqWEtMfIFOlyjQv1q75UUtxt4U+YscKIQViGmEE2Xa4BuS1B1/cZdjy7MVcwtnr0WkEsr915LgRKOw==
 
 picocolors@^1.0.0:
   version "1.0.0"