diff --git a/packages/drs-mcp-server/package.json b/packages/drs-mcp-server/package.json
index 0e57497..8b688a1 100644
--- a/packages/drs-mcp-server/package.json
+++ b/packages/drs-mcp-server/package.json
@@ -34,7 +34,7 @@
     "verification"
   ],
   "devDependencies": {
-    "prettier": "^3.8.3",
+    "prettier": "^3.9.1",
     "typescript": "^6.0.3",
     "vite": "^6.4.3",
     "vitest": "^4.1.0"