diff --git a/package.json b/package.json
index 176e627f..a8225859 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "types": "types/index.d.ts",
   "dependencies": {
     "@fastify/busboy": "^2.1.0",
-    "@fastify/deepmerge": "^1.0.0",
+    "@fastify/deepmerge": "^2.0.0",
     "@fastify/error": "^3.0.0",
     "fastify-plugin": "^4.0.0",
     "secure-json-parse": "^2.4.0",