diff --git a/composer.json b/composer.json
index 802fd70..6601875 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
         "laminas/laminas-component-installer": "2.4.0",
         "laminas/laminas-config-aggregator": "1.7.0",
         "laminas/laminas-dependency-plugin": "2.1.2",
-        "laminas/laminas-diactoros": "2.8.0",
+        "laminas/laminas-diactoros": "2.14.0",
         "laminas/laminas-servicemanager": "3.6.4",
         "laminas/laminas-stdlib": "3.3.1",
         "mezzio/mezzio": "3.3.0",
diff --git a/composer.lock b/composer.lock
index 14f9c86..823b55c 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": "6452f6593836a41ab8d363e142a28e38",
+    "content-hash": "2d4b985091a9faf12f8f1cede4029933",
     "packages": [
         {
             "name": "brick/varexporter",
@@ -393,16 +393,16 @@
         },
         {
             "name": "laminas/laminas-diactoros",
-            "version": "2.8.0",
+            "version": "2.14.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/laminas/laminas-diactoros.git",
-                "reference": "0c26ef1d95b6d7e6e3943a243ba3dc0797227199"
+                "reference": "6cb35f61913f06b2c91075db00f67cfd78869e28"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/laminas/laminas-diactoros/zipball/0c26ef1d95b6d7e6e3943a243ba3dc0797227199",
-                "reference": "0c26ef1d95b6d7e6e3943a243ba3dc0797227199",
+                "url": "https://api.github.com/repos/laminas/laminas-diactoros/zipball/6cb35f61913f06b2c91075db00f67cfd78869e28",
+                "reference": "6cb35f61913f06b2c91075db00f67cfd78869e28",
                 "shasum": ""
             },
             "require": {
@@ -423,13 +423,13 @@
                 "ext-dom": "*",
                 "ext-gd": "*",
                 "ext-libxml": "*",
-                "http-interop/http-factory-tests": "^0.8.0",
-                "laminas/laminas-coding-standard": "~1.0.0",
-                "php-http/psr7-integration-tests": "^1.1",
+                "http-interop/http-factory-tests": "^0.9.0",
+                "laminas/laminas-coding-standard": "~2.3.0",
+                "php-http/psr7-integration-tests": "^1.1.1",
                 "phpspec/prophecy-phpunit": "^2.0",
-                "phpunit/phpunit": "^9.1",
-                "psalm/plugin-phpunit": "^0.14.0",
-                "vimeo/psalm": "^4.3"
+                "phpunit/phpunit": "^9.5",
+                "psalm/plugin-phpunit": "^0.17.0",
+                "vimeo/psalm": "^4.24.0"
             },
             "type": "library",
             "extra": {
@@ -488,7 +488,7 @@
                     "type": "community_bridge"
                 }
             ],
-            "time": "2021-09-22T03:54:36+00:00"
+            "time": "2022-07-28T12:23:48+00:00"
         },
         {
             "name": "laminas/laminas-escaper",
@@ -6370,5 +6370,5 @@
         "php": "^7.2"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.1.0"
+    "plugin-api-version": "2.3.0"
 }