diff --git a/composer.json b/composer.json
index 37db3f5..4f2a68d 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,8 @@
     "description": "Parser toolkit written on PHP",
     "type": "library",
     "require": {
-        "php": ">=8.1"
+        "php": ">=8.1",
+        "neitanod/forceutf8": "~2.0"
     },
     "require-dev": {
         "phpunit/phpunit": ">=10"