diff --git a/composer.json b/composer.json
index b792262..0579edb 100644
--- a/composer.json
+++ b/composer.json
@@ -23,6 +23,7 @@
     "beberlei/assert": "^3.3",
     "brianium/paratest": "^7",
     "clue/commander": "^v1.3.0",
+    "ergebnis/composer-normalize": "^2",
     "ergebnis/phpunit-slow-test-detector": "^2",
     "estahn/phpunit-json-assertions": "^4",
     "friendsofphp/php-cs-fixer": "^3.53",