diff --git a/composer.json b/composer.json
index 1033f4b..4216f40 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     "require": {
         "php": "^8.2",
         "ext-random": "^8.2",
-        "psr/http-message": "^1.1",
+        "psr/http-message": "^1.1 || ^2.0",
         "react/promise": "^3",
         "thecodingmachine/safe": "^2.5"
     },