diff --git a/composer.json b/composer.json
index e818c8b427..6d30eebd23 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
         "ext-xml": "*",
         "ext-xmlreader": "*",
         "neos/composer-plugin": "^2.0",
-        "psr/http-message": "^1.0",
+        "psr/http-message": "^2.0",
         "psr/http-factory": "^1.0",
         "psr/container": "^1.0",
         "psr/http-server-middleware": "^1.0",