diff --git a/lib/php-enum/src/Enum.php b/lib/php-enum/src/Enum.php
index 89064eba743..4c94cf6d3b5 100644
--- a/lib/php-enum/src/Enum.php
+++ b/lib/php-enum/src/Enum.php
@@ -19,7 +19,7 @@ namespace MyCLabs\Enum;
  * @psalm-immutable
  * @psalm-consistent-constructor
  */
-abstract class Enum implements \JsonSerializable
+abstract class Enum implements \JsonSerializable, \Stringable
 {
     /**
      * Enum value
diff --git a/lib/thirdpartylibs.xml b/lib/thirdpartylibs.xml
index d2ae0b99d06..46c538e1203 100644
--- a/lib/thirdpartylibs.xml
+++ b/lib/thirdpartylibs.xml
@@ -598,7 +598,7 @@ All rights reserved.</copyright>
     <location>php-enum</location>
     <name>php-enum</name>
     <description>PHP Enum implementation inspired from SplEnum</description>
-    <version>1.8.3</version>
+    <version>1.8.4</version>
     <license>MIT</license>
     <repository>https://github.com/myclabs/php-enum</repository>
     <copyrights>