diff --git a/composer.json b/composer.json
index 2d2251ff..64637bf7 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
         "phpdocumentor/reflection-docblock": "^5",
         "phpdocumentor/type-resolver": "^1.4",
         "symfony/polyfill-php80": "^1.28",
-        "webmozart/assert": "^1.7"
+        "webmozart/assert": "^1.7 || ^2.1"
     },
     "require-dev": {
         "dealerdirect/phpcodesniffer-composer-installer": "^1.0",