diff --git a/composer.json b/composer.json
index ec288acf..69cf962e 100644
--- a/composer.json
+++ b/composer.json
@@ -32,5 +32,11 @@
             "UnitConverter\\Tests\\Integration\\": "tests/integration/",
             "UnitConverter\\Tests\\Unit\\": "tests/unit/"
         }
+    },
+    "config": {
+        "allow-plugins": {
+            "pestphp/pest-plugin": true,
+            "ergebnis/composer-normalize": true
+        }
     }
 }