diff --git a/packages/mcp-server/package.json b/packages/mcp-server/package.json
index 2fb916f..d368636 100644
--- a/packages/mcp-server/package.json
+++ b/packages/mcp-server/package.json
@@ -28,7 +28,7 @@
     "@modelcontextprotocol/sdk": "^1.0.0",
     "@types/js-yaml": "^4.0.9",
     "@types/node": "^20.0.0",
-    "esbuild": "^0.20.0",
+    "esbuild": "^0.27.4",
     "js-yaml": "^4.1.0",
     "typescript": "^5.3.0",
     "vitest": "^4.1.0"