diff --git a/composer.json b/composer.json
index eab789b2f8..f259dabe32 100644
--- a/composer.json
+++ b/composer.json
@@ -68,6 +68,7 @@
     "config": {
         "vendor-dir": ".Build/vendor",
         "bin-dir": ".Build/bin",
+        "lock": false,
         "allow-plugins": {
             "typo3/class-alias-loader": true,
             "typo3/cms-composer-installers": true,