diff --git a/package-lock.json b/package-lock.json
index 7c68684..a99a60a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.2.1",
       "license": "Apache-2.0",
       "dependencies": {
-        "@modelcontextprotocol/sdk": "^1.0.0",
+        "@modelcontextprotocol/sdk": "^1.23.0",
         "context7": "^1.0.0",
         "dotenv": "^17.2.3",
         "execa": "^9.0.0",
@@ -2595,9 +2595,9 @@
       }
     },
     "node_modules/@modelcontextprotocol/sdk": {
-      "version": "1.22.0",
-      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.22.0.tgz",
-      "integrity": "sha512-VUpl106XVTCpDmTBil2ehgJZjhyLY2QZikzF8NvTXtLRF1CvO5iEE2UNZdVIUer35vFOwMKYeUGbjJtvPWan3g==",
+      "version": "1.23.0",
+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.23.0.tgz",
+      "integrity": "sha512-MCGd4K9aZKvuSqdoBkdMvZNcYXCkZRYVs/Gh92mdV5IHbctX9H9uIvd4X93+9g8tBbXv08sxc/QHXTzf8y65bA==",
       "license": "MIT",
       "dependencies": {
         "ajv": "^8.17.1",
@@ -2611,30 +2611,25 @@
         "express-rate-limit": "^7.5.0",
         "pkce-challenge": "^5.0.0",
         "raw-body": "^3.0.0",
-        "zod": "^3.23.8",
-        "zod-to-json-schema": "^3.24.1"
+        "zod": "^3.25 || ^4.0",
+        "zod-to-json-schema": "^3.25.0"
       },
       "engines": {
         "node": ">=18"
       },
       "peerDependencies": {
-        "@cfworker/json-schema": "^4.1.1"
+        "@cfworker/json-schema": "^4.1.1",
+        "zod": "^3.25 || ^4.0"
       },
       "peerDependenciesMeta": {
         "@cfworker/json-schema": {
           "optional": true
+        },
+        "zod": {
+          "optional": false
         }
       }
     },
-    "node_modules/@modelcontextprotocol/sdk/node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
-      "license": "MIT",
-      "funding": {
-        "url": "https://github.com/sponsors/colinhacks"
-      }
-    },
     "node_modules/@napi-rs/wasm-runtime": {
       "version": "0.2.12",
       "resolved": "https://registry.npmjs.org/@napi-rs/wasm-runtime/-/wasm-runtime-0.2.12.tgz",
diff --git a/package.json b/package.json
index f7bfe4a..3c9219e 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "url": "https://github.com/rshade/mcp-devtools-server/issues"
   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.0.0",
+    "@modelcontextprotocol/sdk": "^1.23.0",
     "context7": "^1.0.0",
     "dotenv": "^17.2.3",
     "execa": "^9.0.0",