diff --git a/composer.lock b/composer.lock
index 11dc9fd5d..fc66ecc77 100644
--- a/composer.lock
+++ b/composer.lock
@@ -3587,7 +3587,6 @@
     "minimum-stability": "stable",
     "stability-flags": [],
     "prefer-stable": false,
-    "prefer-lowest": false,
     "platform": {
         "php": ">=5.4",
         "ext-mcrypt": "*",