diff --git a/composer.json b/composer.json
index 0b35c29..f883e42 100644
--- a/composer.json
+++ b/composer.json
@@ -38,6 +38,7 @@
     "require-dev": {
         "doctrine/coding-standard": "^6.0",
         "friendsofphp/php-cs-fixer": "^2.16",
-        "phpunit/phpunit": "^8.5"
+        "phpunit/phpunit": "^8.5",
+        "roave/security-advisories": "dev-master"
     }
 }