diff --git a/composer.json b/composer.json
index e354f77f2..23914eb6e 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "ext-zlib": "*",
 
         "nyholm/psr7": "^1.5.1",
-        "psr/http-message": "^1.0.1",
+        "psr/http-message": "^2.0",
         "psr/log": "^2.0 || ^3.0",
         "simplesamlphp/xml-common": "^1.9.3",
         "simplesamlphp/xml-security": "^1.6.3",