diff --git a/composer.json b/composer.json
index 530a5f6..fbc8495 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
         "ext-json": "*",
         "phpstan/phpdoc-parser": "^2.0|^1.30",
         "roave/better-reflection": "^6.0",
-        "sebastian/diff": "^7.0|^6.0|^5.0",
+        "sebastian/diff": "8.3.0",
         "symfony/console": "^6.4|^7.0|^8.0",
         "symfony/process": "^6.4|^7.0|^8.0",
         "twig/twig": "^3.10"