diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca29e85..f47d238 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,25 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
+## 0.5.1 - 2021-02-12
+
+
+-----
+
+### Release Notes for [0.5.1](https://github.com/open-code-modeling/json-schema-to-php-ast/milestone/11)
+
+0.5.x bugfix release (patch)
+
+### 0.5.1
+
+- Total issues resolved: **1**
+- Total pull requests resolved: **0**
+- Total contributors: **1**
+
+#### enhancement
+
+ - [22: Pump php-code-ast to 0.12.0](https://github.com/open-code-modeling/json-schema-to-php-ast/issues/22) thanks to @sandrokeil
+
 ## 0.5.0 - 2021-02-11
 
 
diff --git a/composer.json b/composer.json
index 0b8e84d..56b445a 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
     "require": {
         "php": "^7.4 || ^8.0",
         "open-code-modeling/json-schema-to-php": "^0.3.0 || 0.4.x-dev",
-        "open-code-modeling/php-code-ast": "^0.11.0 || 0.12.x-dev"
+        "open-code-modeling/php-code-ast": "^0.12.0 || 0.13.x-dev"
     },
     "require-dev": {
         "laminas/laminas-filter": "^2.9",
diff --git a/composer.lock b/composer.lock
index 25509f4..e6bc134 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "52fd2b5002831ccd3e4991a671da32f0",
+    "content-hash": "09819fcc56c8a62e88b8789186a33adc",
     "packages": [
         {
             "name": "nikic/php-parser",
@@ -121,16 +121,16 @@
         },
         {
             "name": "open-code-modeling/php-code-ast",
-            "version": "0.11.0",
+            "version": "0.12.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/open-code-modeling/php-code-ast.git",
-                "reference": "86e6d62a737080ff3a0a6b88578d8c3a765b3821"
+                "reference": "8441ce175f360b8c3cff4afa0e82b5a09dc09fdb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/open-code-modeling/php-code-ast/zipball/86e6d62a737080ff3a0a6b88578d8c3a765b3821",
-                "reference": "86e6d62a737080ff3a0a6b88578d8c3a765b3821",
+                "url": "https://api.github.com/repos/open-code-modeling/php-code-ast/zipball/8441ce175f360b8c3cff4afa0e82b5a09dc09fdb",
+                "reference": "8441ce175f360b8c3cff4afa0e82b5a09dc09fdb",
                 "shasum": ""
             },
             "require": {
@@ -170,7 +170,7 @@
                 "issues": "https://github.com/open-code-modeling/php-code-ast/issues",
                 "source": "https://github.com/open-code-modeling/php-code-ast"
             },
-            "time": "2021-01-30T21:38:27+00:00"
+            "time": "2021-02-12T14:17:11+00:00"
         }
     ],
     "packages-dev": [
diff --git a/src/PropertyFactory.php b/src/PropertyFactory.php
index 439e052..73eabb7 100644
--- a/src/PropertyFactory.php
+++ b/src/PropertyFactory.php
@@ -103,7 +103,7 @@ public function nodeVisitorFromNative(string $name, string $type): array
 
     public function propertyGenerator(string $name, string $type): PropertyGenerator
     {
-        return new PropertyGenerator(($this->propertyNameFilter)($name), $type, null, $this->typed);
+        return new PropertyGenerator(($this->propertyNameFilter)($name), $type, $this->typed);
     }
 
     /**