Merge pull request #13 from peter279k/issue_#12 [skip ci]

Resolve issue#12

Author: alexkart

composer.json

@@ -13,7 +13,7 @@
     "prefer-stable": true,
     "require": {
         "php": ">=7.3",
-        "psr/http-message": "^1.0"
+        "psr/http-message": "^2.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",