diff --git a/composer.json b/composer.json
index eae83a3..9c7cda5 100644
--- a/composer.json
+++ b/composer.json
@@ -12,6 +12,7 @@
     "php": "^7.2",
     "api-clients/cs-fixer-config": "^1.1.1",
     "clue/block-react": "^1.3",
+    "composer/composer": "^1.8",
     "friendsofphp/php-cs-fixer": "^2.13",
     "infection/infection": "^0.11.4",
     "jakub-onderka/php-console-highlighter": "^0.4",
diff --git a/composer.lock b/composer.lock
index a57fe8f..1ee6502 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": "b702a780927121d9dc37fd5be4f33b7a",
+    "content-hash": "ed1a0184ec352a74f1967421bb6bf52b",
     "packages": [
         {
             "name": "api-clients/cs-fixer-config",