diff --git a/packages/shader-lab-mcp/package.json b/packages/shader-lab-mcp/package.json
index 22015c1..9a2ed5d 100644
--- a/packages/shader-lab-mcp/package.json
+++ b/packages/shader-lab-mcp/package.json
@@ -15,7 +15,7 @@
     "zod": "^4.3.6"
   },
   "devDependencies": {
-    "@modelcontextprotocol/sdk": "1.17.5",
+    "@modelcontextprotocol/sdk": "1.26.0",
     "@types/bun": "^1.3.6",
     "@types/node": "^26.1.1",
     "@types/ws": "^8.18.1",