diff --git a/composer.json b/composer.json
index d64be36..64bdf5b 100644
--- a/composer.json
+++ b/composer.json
@@ -22,8 +22,8 @@
         "psr/http-server-middleware": "^1.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "~7.0",
-        "zendframework/zend-diactoros": "~1.0"
+        "laminas/laminas-diactoros": "~1.0",
+        "phpunit/phpunit": "~7.0"
     },
     "autoload": {
         "psr-4": {