diff --git a/composer.json b/composer.json
index 67492ba..e7541fc 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
     "require-dev": {
         "phlak/coding-standards": "^2.2",
         "phpstan/phpstan": "^1.10",
-        "psy/psysh": "^0.11",
+        "psy/psysh": "^0.12",
         "yoast/phpunit-polyfills": "^2.0"
     },
     "autoload": {