diff --git a/composer.json b/composer.json
index 2273b51..d1d5137 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
     },
     "require-dev": {
         "infection/infection": "^0.26",
-        "laminas/laminas-diactoros": "^2.19",
+        "laminas/laminas-diactoros": "^2.20",
         "lcobucci/coding-standard": "^8.0",
         "phpstan/extension-installer": "^1.2",
         "phpstan/phpstan": "^1.8",
diff --git a/composer.lock b/composer.lock
index 6307e74..22b8202 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": "1ac2a61d659e1c587e9b0e6bac56d2c8",
+    "content-hash": "90a4633b00dbb411df861b8651a97cbf",
     "packages": [
         {
             "name": "fig/http-message-util",
@@ -1124,16 +1124,16 @@
         },
         {
             "name": "laminas/laminas-diactoros",
-            "version": "2.19.0",
+            "version": "2.20.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/laminas/laminas-diactoros.git",
-                "reference": "b3c7e9262b4fbec801d8df2370cdebb4f5d3a0ae"
+                "reference": "10696c809866bebd9d71dca14de6c0d6c1cac2f8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/laminas/laminas-diactoros/zipball/b3c7e9262b4fbec801d8df2370cdebb4f5d3a0ae",
-                "reference": "b3c7e9262b4fbec801d8df2370cdebb4f5d3a0ae",
+                "url": "https://api.github.com/repos/laminas/laminas-diactoros/zipball/10696c809866bebd9d71dca14de6c0d6c1cac2f8",
+                "reference": "10696c809866bebd9d71dca14de6c0d6c1cac2f8",
                 "shasum": ""
             },
             "require": {
@@ -1217,7 +1217,7 @@
                     "type": "community_bridge"
                 }
             ],
-            "time": "2022-10-10T21:28:03+00:00"
+            "time": "2022-10-25T13:35:54+00:00"
         },
         {
             "name": "lcobucci/coding-standard",