diff --git a/composer.json b/composer.json
index 166886f..cbc5696 100755
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         "paquettg/string-encode": "~1.0.0",
         "php-http/httplug": "^2.1",
         "guzzlehttp/guzzle": "^7.0",
-        "guzzlehttp/psr7": "^1.6",
+        "guzzlehttp/psr7": "^2.0",
         "myclabs/php-enum": "^1.7"
     },
     "require-dev": {