diff --git a/composer.json b/composer.json
index 2f7e7e4..5dda12e 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,8 @@
     "name": "potter/throwable",
     "type": "library",
     "require": {
-        "php": "^8.4"
+        "php": "^8.4",
+        "potter/stringable": "dev-main"
     },
     "license": "MIT",
     "autoload": {
diff --git a/src/Potter/Throwable/ThrowableInterface.php b/src/Potter/Throwable/ThrowableInterface.php
index 02fb4d7..05750d5 100644
--- a/src/Potter/Throwable/ThrowableInterface.php
+++ b/src/Potter/Throwable/ThrowableInterface.php
@@ -4,7 +4,9 @@ declare(strict_types=1);
 
 namespace Potter\Throwable;
 
-interface ThrowableInterface 
+use \Potter\Stringable\StringableInterface;
+
+interface ThrowableInterface extends StringableInterface
 {
 
 }