diff --git a/composer.json b/composer.json
index add89c6..1e8ef03 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
   ],
   "require": {
     "php": "^7.4 || ^8.0",
-    "psr/http-message": "^1.1"
+    "psr/http-message": "^1.1 || ^2.0"
   },
   "require-dev": {
     "phpstan/phpstan": "^1",