diff --git a/.build/composer.json b/.build/composer.json
index b214b211..9bca1ffd 100644
--- a/.build/composer.json
+++ b/.build/composer.json
@@ -4,7 +4,7 @@
     "prefer-stable": true,
     "require": {
         "narrowspark/coding-standard": "^5.1.0",
-        "wikimedia/composer-merge-plugin": "^1.4.1"
+        "wikimedia/composer-merge-plugin": "^2.0.1"
     },
     "extra": {
         "merge-plugin": {