diff --git a/.laminas-ci.json b/.laminas-ci.json
new file mode 100644
index 0000000..6238f6f
--- /dev/null
+++ b/.laminas-ci.json
@@ -0,0 +1,6 @@
+{
+    "ignore_php_platform_requirements": {
+        "8.4": true
+    },
+    "backwardCompatibilityCheck": true
+}
diff --git a/composer.json b/composer.json
index c99b0d5..01b8035 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
         }
     },
     "require": {
-        "php": "~8.1.0 || ~8.2.0 || ~8.3.0",
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0",
         "mezzio/mezzio-router": "^3.0",
         "psr/container": "^1.0 || ^2.0",
         "psr/http-message": "^1.0.1 || ^2.0.0",
@@ -44,10 +44,10 @@
     "require-dev": {
         "ext-json": "*",
         "laminas/laminas-coding-standard": "~2.5.0",
-        "laminas/laminas-diactoros": "^3.3",
-        "phpunit/phpunit": "^10.5.10",
+        "laminas/laminas-diactoros": "^3.4",
+        "phpunit/phpunit": "^10.5.36",
         "psalm/plugin-phpunit": "^0.19.0",
-        "vimeo/psalm": "^5.21.1"
+        "vimeo/psalm": "^5.26.1"
     },
     "suggest": {
         "ext-json": "If you wish to use the JsonStrategy with BodyParamsMiddleware"
@@ -74,6 +74,7 @@
         "test-coverage": "phpunit --colors=always --coverage-clover clover.xml"
     },
     "conflict": {
-        "zendframework/zend-expressive-helpers": "*"
+        "zendframework/zend-expressive-helpers": "*",
+        "amphp/amp": "<2.6.4"
     }
 }
diff --git a/composer.lock b/composer.lock
index a7d5e5b..c5ebb5b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "d7047dc6c6aaf4589841f70c0fda6f9d",
+    "content-hash": "96557109d83f6210e5908109fb9f5abb",
     "packages": [
         {
             "name": "fig/http-message-util",
@@ -4435,11 +4435,11 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": {},
+    "stability-flags": [],
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "~8.1.0 || ~8.2.0 || ~8.3.0"
+        "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0"
     },
     "platform-dev": {
         "ext-json": "*"