diff --git a/CHANGELOG.md b/CHANGELOG.md
index 56e0491..14deeea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.1.1](https://github.com/phrase/openapi/compare/php-v2.1.0...php-v2.1.1) (2024-05-02)
+
+
+### Bug Fixes
+
+* **PHP:** Fix deserializing custom metadata values in key response ([#607](https://github.com/phrase/openapi/issues/607)) ([b6eeeba](https://github.com/phrase/openapi/commit/b6eeeba223e3eabec268a8f3d372afcb6abd09dd))
+
 ## [2.1.0](https://github.com/phrase/openapi/compare/php-v2.0.0...php-v2.1.0) (2024-04-29)
 
 
diff --git a/README.md b/README.md
index 76d1d08..73bad00 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Phrase Strings is a translation management platform for software projects. You c
 This PHP package is automatically generated by the [OpenAPI Generator](https://openapi-generator.tech) project:
 
 - API version: 2.0.0
-- Package version: 2.1.0
+- Package version: 2.1.1
 - Build package: org.openapitools.codegen.languages.PhpClientCodegen
 For more information, please visit [https://developers.phrase.com/api/](https://developers.phrase.com/api/)
 
diff --git a/composer.json b/composer.json
index 1f663c3..6b55665 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "phrase/phrase-php",
-    "version": "2.1.0",
+    "version": "2.1.1",
     "description": "Phrase Strings API Reference. Phrase Strings is a translation management platform for software projects. You can collaborate on language file translation with your team or order translations through our platform. The API allows you to import locale files, download locale files, tag keys or interact in other ways with the localization data stored in Phrase Strings for your account.",
     "keywords": [
         "phrase",
diff --git a/lib/Configuration.php b/lib/Configuration.php
index 3d3d82d..497ae3f 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -86,7 +86,7 @@ class Configuration
      *
      * @var string
      */
-    protected $userAgent = 'OpenAPI-Generator/2.1.0/PHP';
+    protected $userAgent = 'OpenAPI-Generator/2.1.1/PHP';
 
     /**
      * Debug switch (default set to false)
@@ -395,7 +395,7 @@ public static function toDebugReport()
         $report .= '    OS: ' . php_uname() . PHP_EOL;
         $report .= '    PHP Version: ' . PHP_VERSION . PHP_EOL;
         $report .= '    The version of the OpenAPI document: 2.0.0' . PHP_EOL;
-        $report .= '    SDK Package Version: 2.1.0' . PHP_EOL;
+        $report .= '    SDK Package Version: 2.1.1' . PHP_EOL;
         $report .= '    Temp Folder Path: ' . self::getDefaultConfiguration()->getTempFolderPath() . PHP_EOL;
 
         return $report;