diff --git a/composer.json b/composer.json
index a9b1c3d..30c85b6 100644
--- a/composer.json
+++ b/composer.json
@@ -22,8 +22,11 @@
         "getkirby/cms": "^3.0"
     },
     "scripts": {
-        "start": "@php -S localhost:8000 kirby/router.php"
-    },  
+        "start": [
+            "Composer\\Config::disableProcessTimeout",
+            "@php -S localhost:8000 kirby/router.php"
+        ]
+    },
     "config": {
         "optimize-autoloader": true
     }