diff --git a/package.json b/package.json
index 56eebe1..d66b753 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
   "homepage": "https://github.com/fastify/fastify-soap-client#readme",
   "dependencies": {
     "fastify-plugin": "^3.0.0",
-    "soap": "^0.39.0"
+    "soap": "^0.40.0"
   },
   "devDependencies": {
     "fastify": "^3.15.1",