diff --git a/composer.json b/composer.json
index 5462d15..88b5056 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,8 @@
         "slevomat/coding-standard": "^6.2",
         "squizlabs/php_codesniffer": "*",
         "phpoption/phpoption": "^1.8.0",
-        "symfony/http-foundation": "^5.3.7 || ^6.0"
+        "symfony/http-foundation": "^5.3.7 || ^6.0",
+        "ramsey/collection": "^1.2.0"
     },
     "autoload": {
         "psr-4": {