diff --git a/benchmark-tool/artillery-test/package-lock.json b/benchmark-tool/artillery-test/package-lock.json
index 7610b17004..64aeb50f52 100644
--- a/benchmark-tool/artillery-test/package-lock.json
+++ b/benchmark-tool/artillery-test/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "@eclipse-ditto/ditto-javascript-client-node": "^3.9.0-M1.1",
         "artillery": "^2.0.27",
-        "defu": "^6.1.4",
+        "defu": "^6.1.5",
         "kafkajs": "^2.2.4",
         "yaml": "^2.8.3"
       },
@@ -6133,9 +6133,9 @@
       }
     },
     "node_modules/defu": {
-      "version": "6.1.4",
-      "resolved": "https://registry.npmjs.org/defu/-/defu-6.1.4.tgz",
-      "integrity": "sha512-mEQCMmwJu317oSz8CwdIOdwf3xMif1ttiM8LTufzc3g6kR+9Pe236twL8j3IYT1F7GfRgGcW6MWxzZjLIkuHIg==",
+      "version": "6.1.5",
+      "resolved": "https://registry.npmjs.org/defu/-/defu-6.1.5.tgz",
+      "integrity": "sha512-pwdBJxJuJXmqrLO6s0VBmfbRz+G7FUzkjldAsdi9Yrv86mPyzq0ll1o8+8gB4Gsr6GJHbK1Lh3ngllgTInDCjA==",
       "license": "MIT"
     },
     "node_modules/delayed-stream": {
diff --git a/benchmark-tool/artillery-test/package.json b/benchmark-tool/artillery-test/package.json
index ec37d6028f..6bb4f0500e 100644
--- a/benchmark-tool/artillery-test/package.json
+++ b/benchmark-tool/artillery-test/package.json
@@ -19,7 +19,7 @@
   "dependencies": {
     "@eclipse-ditto/ditto-javascript-client-node": "^3.9.0-M1.1",
     "artillery": "^2.0.27",
-    "defu": "^6.1.4",
+    "defu": "^6.1.5",
     "kafkajs": "^2.2.4",
     "yaml": "^2.8.3"
   },