diff --git a/composer.json b/composer.json
index 9886cbb3..c3a84833 100644
--- a/composer.json
+++ b/composer.json
@@ -100,7 +100,7 @@
         "wa72/htmlpagedom": "1.3.*",
         "webflo/drupal-finder": "^1.0.0",
         "webmozart/path-util": "^2.3",
-        "wikimedia/composer-merge-plugin": "^1.4",
+        "wikimedia/composer-merge-plugin": "^2.0",
         "zaporylie/composer-drupal-optimizations": "^1.0"
     },
     "require-dev": {
diff --git a/composer.lock b/composer.lock
index c3dedc5e..cab2c301 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "23c6cb51f19ca9d27cd9298f1d2c8fb8",
+    "content-hash": "d7c52873417da63b7a9bfa5aad571904",
     "packages": [
         {
             "name": "alchemy/zippy",
@@ -19465,38 +19465,38 @@
         },
         {
             "name": "wikimedia/composer-merge-plugin",
-            "version": "v1.4.1",
+            "version": "v2.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/wikimedia/composer-merge-plugin.git",
-                "reference": "81c6ac72a24a67383419c7eb9aa2b3437f2ab100"
+                "reference": "8ca2ed8ab97c8ebce6b39d9943e9909bb4f18912"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/wikimedia/composer-merge-plugin/zipball/81c6ac72a24a67383419c7eb9aa2b3437f2ab100",
-                "reference": "81c6ac72a24a67383419c7eb9aa2b3437f2ab100",
+                "url": "https://api.github.com/repos/wikimedia/composer-merge-plugin/zipball/8ca2ed8ab97c8ebce6b39d9943e9909bb4f18912",
+                "reference": "8ca2ed8ab97c8ebce6b39d9943e9909bb4f18912",
                 "shasum": ""
             },
             "require": {
-                "composer-plugin-api": "^1.0",
-                "php": ">=5.3.2"
+                "composer-plugin-api": "^1.1||^2.0",
+                "php": ">=7.2.0"
             },
             "require-dev": {
-                "composer/composer": "~1.0.0",
-                "jakub-onderka/php-parallel-lint": "~0.8",
-                "phpunit/phpunit": "~4.8|~5.0",
-                "squizlabs/php_codesniffer": "~2.1.0"
+                "composer/composer": "^1.1||^2.0",
+                "php-parallel-lint/php-parallel-lint": "~1.1.0",
+                "phpunit/phpunit": "^8.5||^9.0",
+                "squizlabs/php_codesniffer": "~3.5.4"
             },
             "type": "composer-plugin",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.3.x-dev"
+                    "dev-master": "2.x-dev"
                 },
-                "class": "Wikimedia\\Composer\\MergePlugin"
+                "class": "Wikimedia\\Composer\\Merge\\V2\\MergePlugin"
             },
             "autoload": {
                 "psr-4": {
-                    "Wikimedia\\Composer\\": "src/"
+                    "Wikimedia\\Composer\\Merge\\V2\\": "src/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -19510,7 +19510,7 @@
                 }
             ],
             "description": "Composer plugin to merge multiple composer.json files",
-            "time": "2017-04-25T02:31:25+00:00"
+            "time": "2021-02-24T05:28:06+00:00"
         },
         {
             "name": "zaporylie/composer-drupal-optimizations",