diff --git a/composer.json b/composer.json
index cc1fb63..f4ac8c8 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,8 @@
     "config": {
         "allow-plugins": {
             "dealerdirect/phpcodesniffer-composer-installer": true
-        }
+        },
+        "lock": false
     },
     "scripts" : {
         "phplint": [