diff --git a/composer.json b/composer.json
index 6ff4d8b4d..2653fd87a 100644
--- a/composer.json
+++ b/composer.json
@@ -56,7 +56,7 @@
     "require-dev": {
         "ext-simplexml": "*",
         "adriansuter/php-autoload-override": "^1.4 || ^2",
-        "guzzlehttp/psr7": "^2.6",
+        "guzzlehttp/psr7": "^2.8",
         "httpsoft/http-message": "^1.1",
         "httpsoft/http-server-request": "^1.1",
         "laminas/laminas-diactoros": "^2.17 || ^3",