diff --git a/composer.json b/composer.json
index c5c23fde..407ce6c5 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
         "php": "^7.1|^8.0",
         "fig/http-message-util": "^1.1",
         "psr/container": "^1.0 || ^2.0",
-        "psr/http-message": "^1.0",
+        "psr/http-message": "^2.0",
         "psr/http-server-handler": "^1.0",
         "psr/http-server-middleware": "^1.0",
         "psr/simple-cache": "^1.0"