diff --git a/composer.json b/composer.json
index 23df563..6a7cfa9 100644
--- a/composer.json
+++ b/composer.json
@@ -25,6 +25,7 @@
     "config": {
         "allow-plugins": {
             "dealerdirect/phpcodesniffer-composer-installer": true
-        }
+        },
+        "lock": false
     }
 }