diff --git a/composer.json b/composer.json
index cbc67f78ba..9e6c58dc2d 100644
--- a/composer.json
+++ b/composer.json
@@ -47,7 +47,7 @@
     "guzzlehttp/guzzle": "~7.15.1",
     "league/commonmark": "~2.10.0",
     "league/oauth2-server": "~9.4.0",
-    "mcp/sdk": "~0.7.0",
+    "mcp/sdk": "~0.8.1",
     "minishlink/web-push": "~11.0.0",
     "monolog/monolog": "~3.10.0",
     "myclabs/deep-copy": "~1.14.0",
diff --git a/composer.lock b/composer.lock
index c02bf4f587..377e6b8dcf 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": "048781b891c5baa4237605164fe51a6a",
+    "content-hash": "9a8e9096532589f5020cd7aef1e15270",
     "packages": [
         {
             "name": "2tvenom/cborencode",
@@ -1997,16 +1997,16 @@
         },
         {
             "name": "mcp/sdk",
-            "version": "v0.7.1",
+            "version": "v0.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/modelcontextprotocol/php-sdk.git",
-                "reference": "785fc3b9b7006ecc8a73322c939d96a4a7154345"
+                "reference": "c5dbfb64e5a2a30872ec3927b4cf13a2eb05e10e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/modelcontextprotocol/php-sdk/zipball/785fc3b9b7006ecc8a73322c939d96a4a7154345",
-                "reference": "785fc3b9b7006ecc8a73322c939d96a4a7154345",
+                "url": "https://api.github.com/repos/modelcontextprotocol/php-sdk/zipball/c5dbfb64e5a2a30872ec3927b4cf13a2eb05e10e",
+                "reference": "c5dbfb64e5a2a30872ec3927b4cf13a2eb05e10e",
                 "shasum": ""
             },
             "require": {
@@ -2024,6 +2024,7 @@
                 "psr/http-server-handler": "^1.0",
                 "psr/http-server-middleware": "^1.0",
                 "psr/log": "^1.0 || ^2.0 || ^3.0",
+                "symfony/deprecation-contracts": "^2.5 || ^3.0",
                 "symfony/uid": "^5.4 || ^6.4 || ^7.3 || ^8.0"
             },
             "require-dev": {
@@ -2075,9 +2076,9 @@
             "description": "Model Context Protocol SDK for Client and Server applications in PHP",
             "support": {
                 "issues": "https://github.com/modelcontextprotocol/php-sdk/issues",
-                "source": "https://github.com/modelcontextprotocol/php-sdk/tree/v0.7.1"
+                "source": "https://github.com/modelcontextprotocol/php-sdk/tree/v0.8.1"
             },
-            "time": "2026-08-10T20:09:23+00:00"
+            "time": "2026-08-29T23:10:56+00:00"
         },
         {
             "name": "minishlink/web-push",