diff --git a/composer.json b/composer.json
index c6704d2..dd195eb 100644
--- a/composer.json
+++ b/composer.json
@@ -2,9 +2,7 @@
     "name": "tiny-blocks/collection",
     "type": "library",
     "license": "MIT",
-    "version": "1.9.1",
     "homepage": "https://github.com/tiny-blocks/collection",
-    "version": "1.9.2",
     "description": "Provides a flexible and efficient API to manipulate, iterate, and manage collections in a structured and type-safe manner.",
     "prefer-stable": true,
     "minimum-stability": "stable",
@@ -47,7 +45,7 @@
     },
     "require": {
         "php": "^8.3",
-        "tiny-blocks/mapper": "^1"
+        "tiny-blocks/mapper": "^1.1"
     },
     "require-dev": {
         "phpmd/phpmd": "^2.15",