diff --git a/apps/arkiver/package-lock.json b/apps/arkiver/package-lock.json
index c19f7e13..dd29244d 100644
--- a/apps/arkiver/package-lock.json
+++ b/apps/arkiver/package-lock.json
@@ -8,7 +8,7 @@
       "name": "@cyrano/arkiver",
       "version": "1.0.0",
       "dependencies": {
-        "@modelcontextprotocol/sdk": "^1.26.0",
+        "@modelcontextprotocol/sdk": "^1.27.1",
         "zod": "^4.3.6"
       },
       "devDependencies": {
@@ -472,9 +472,9 @@
       }
     },
     "node_modules/@modelcontextprotocol/sdk": {
-      "version": "1.26.0",
-      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.26.0.tgz",
-      "integrity": "sha512-Y5RmPncpiDtTXDbLKswIJzTqu2hyBKxTNsgKqKclDbhIgg1wgtf1fRuvxgTnRfcnxtvvgbIEcqUOzZrJ6iSReg==",
+      "version": "1.27.1",
+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.27.1.tgz",
+      "integrity": "sha512-sr6GbP+4edBwFndLbM60gf07z0FQ79gaExpnsjMGePXqFcSSb7t6iscpjk9DhFhwd+mTEQrzNafGP8/iGGFYaA==",
       "license": "MIT",
       "dependencies": {
         "@hono/node-server": "^1.19.9",
diff --git a/apps/arkiver/package.json b/apps/arkiver/package.json
index ed325837..edb54deb 100644
--- a/apps/arkiver/package.json
+++ b/apps/arkiver/package.json
@@ -9,7 +9,7 @@
     "preview": "cd frontend && npm run preview"
   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.26.0",
+    "@modelcontextprotocol/sdk": "^1.27.1",
     "zod": "^4.3.6"
   },
   "devDependencies": {