diff --git a/composer.json b/composer.json
index 98d869e..93c2aa5 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     },
     "require": {
         "php": ">=8.2 <=8.5",
-        "sabre/vobject": "^4.5"
+        "sabre/vobject": "^5.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/composer.lock b/composer.lock
index cfde1be..94cac0d 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": "0a59afe25a51a7b30c15c48e908cc4dc",
+    "content-hash": "a2b362d77e043e6199ebfc33e4566504",
     "packages": [
         {
             "name": "sabre/uri",
@@ -69,28 +69,33 @@
         },
         {
             "name": "sabre/vobject",
-            "version": "4.6.1",
+            "version": "5.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sabre-io/vobject.git",
-                "reference": "63613f6c53a0a2bddfe22caba0d052e6c59f7d0e"
+                "reference": "2533eb0d67b2030e4f2bdacac972beb556d50e0d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sabre-io/vobject/zipball/63613f6c53a0a2bddfe22caba0d052e6c59f7d0e",
-                "reference": "63613f6c53a0a2bddfe22caba0d052e6c59f7d0e",
+                "url": "https://api.github.com/repos/sabre-io/vobject/zipball/2533eb0d67b2030e4f2bdacac972beb556d50e0d",
+                "reference": "2533eb0d67b2030e4f2bdacac972beb556d50e0d",
                 "shasum": ""
             },
             "require": {
+                "ext-json": "*",
                 "ext-mbstring": "*",
-                "php": "^7.1 || ^8.0",
-                "sabre/xml": "^2.1 || ^3.0 || ^4.0"
+                "php": "^8.2",
+                "sabre/xml": "^3.0 || ^4.0"
             },
             "require-dev": {
-                "friendsofphp/php-cs-fixer": "~2.17.1",
-                "phpstan/phpstan": "^0.12 || ^1.12 || ^2.0",
-                "phpunit/php-invoker": "^2.0 || ^3.1",
-                "phpunit/phpunit": "^7.5 || ^8.5 || ^9.6"
+                "friendsofphp/php-cs-fixer": "^3.95",
+                "phpstan/extension-installer": "^1.4",
+                "phpstan/phpstan": "^2.2",
+                "phpstan/phpstan-phpunit": "^2.0",
+                "phpstan/phpstan-strict-rules": "^2.0",
+                "phpunit/php-invoker": "^5.0",
+                "phpunit/phpunit": "^11.5",
+                "rector/rector": "^2.4"
             },
             "suggest": {
                 "hoa/bench": "If you would like to run the benchmark scripts"
@@ -169,7 +174,7 @@
                 "issues": "https://github.com/sabre-io/vobject/issues",
                 "source": "https://github.com/fruux/sabre-vobject"
             },
-            "time": "2026-07-07T03:20:17+00:00"
+            "time": "2026-07-07T03:29:53+00:00"
         },
         {
             "name": "sabre/xml",