diff --git a/composer.json b/composer.json
index ec4cc67..c03da9f 100644
--- a/composer.json
+++ b/composer.json
@@ -43,7 +43,7 @@
         "psr/http-factory": "^1.0",
         "psr/http-message": "^1.0.1 || ^2.0",
         "psr/http-server-middleware": "^1.0",
-        "webmozart/assert": "^1.10"
+        "webmozart/assert": "^1.10 || ^2.0"
     },
     "require-dev": {
         "laminas/laminas-coding-standard": "^3.1",