diff --git a/composer.json b/composer.json
index fe0b547..fbc407b 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     "mezzio/mezzio-authentication": "^1.10",
     "psr/http-message": "^1.0.1 || ^2.0",
     "psr/http-server-middleware": "^1.0",
-    "webmozart/assert": "^1.11"
+    "webmozart/assert": "^1.11 || ^2.0"
   },
   "require-dev": {
     "laminas/laminas-coding-standard": "^3.1",
diff --git a/composer.lock b/composer.lock
index 97475cc..d07097c 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": "d40269d8fcbe1ad0768f7267d1efc4ba",
+    "content-hash": "ead61a53c7cd271e88c9d1c88e1fa6fc",
     "packages": [
         {
             "name": "mezzio/mezzio-authentication",
@@ -307,23 +307,23 @@
         },
         {
             "name": "webmozart/assert",
-            "version": "1.12.1",
+            "version": "2.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/webmozarts/assert.git",
-                "reference": "9be6926d8b485f55b9229203f962b51ed377ba68"
+                "reference": "9007ea6f45ecf352a9422b36644e4bfc039b9155"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/webmozarts/assert/zipball/9be6926d8b485f55b9229203f962b51ed377ba68",
-                "reference": "9be6926d8b485f55b9229203f962b51ed377ba68",
+                "url": "https://api.github.com/repos/webmozarts/assert/zipball/9007ea6f45ecf352a9422b36644e4bfc039b9155",
+                "reference": "9007ea6f45ecf352a9422b36644e4bfc039b9155",
                 "shasum": ""
             },
             "require": {
                 "ext-ctype": "*",
                 "ext-date": "*",
                 "ext-filter": "*",
-                "php": "^7.2 || ^8.0"
+                "php": "^8.2"
             },
             "suggest": {
                 "ext-intl": "",
@@ -332,8 +332,12 @@
             },
             "type": "library",
             "extra": {
+                "psalm": {
+                    "pluginClass": "Webmozart\\Assert\\PsalmPlugin"
+                },
                 "branch-alias": {
-                    "dev-master": "1.10-dev"
+                    "dev-master": "2.0-dev",
+                    "dev-feature/2-0": "2.0-dev"
                 }
             },
             "autoload": {
@@ -349,6 +353,10 @@
                 {
                     "name": "Bernhard Schussek",
                     "email": "bschussek@gmail.com"
+                },
+                {
+                    "name": "Woody Gilk",
+                    "email": "woody.gilk@gmail.com"
                 }
             ],
             "description": "Assertions to validate method input/output with nice error messages.",
@@ -359,9 +367,9 @@
             ],
             "support": {
                 "issues": "https://github.com/webmozarts/assert/issues",
-                "source": "https://github.com/webmozarts/assert/tree/1.12.1"
+                "source": "https://github.com/webmozarts/assert/tree/2.4.0"
             },
-            "time": "2025-10-29T15:56:20+00:00"
+            "time": "2026-05-20T13:07:01+00:00"
         }
     ],
     "packages-dev": [