diff --git a/samples/package-lock.json b/samples/package-lock.json
index 365d478..6aab752 100644
--- a/samples/package-lock.json
+++ b/samples/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "license": "Apache-2.0",
       "dependencies": {
-        "async-mqtt": "2.6.1",
+        "async-mqtt": "2.6.3",
         "debug": "^4.3.1",
         "express": "^4.17.1",
         "request": "^2.88.0",
@@ -839,11 +839,11 @@
       }
     },
     "node_modules/async-mqtt": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/async-mqtt/-/async-mqtt-2.6.1.tgz",
-      "integrity": "sha512-EkXAwRzwMaPC6ji0EvNeM5OMe6VjMhEKVJJUN7gu/hGzkcDpZtaI34nUwdwCMbjQB3pnuSOHqQMFKsUpg+D8kA==",
+      "version": "2.6.3",
+      "resolved": "https://registry.npmjs.org/async-mqtt/-/async-mqtt-2.6.3.tgz",
+      "integrity": "sha512-mFGTtlEpOugOoLOf9H5AJyJaZUNtOVXLGGOnPaPZDPQex6W6iIOgtV+fAgam0GQbgnLfgX+Wn/QzS6d+PYfFAQ==",
       "dependencies": {
-        "mqtt": "^4.1.0"
+        "mqtt": "^4.3.7"
       }
     },
     "node_modules/asynckit": {
@@ -5801,11 +5801,11 @@
       "integrity": "sha512-NfJ4UzBCcQGLDlQq7nHxH+tv3kyZ0hHQqF5BO6J7tNJeP5do1llPr8dZ8zHonfhAu0PHAdMkSo+8o0wxg9lZWw=="
     },
     "async-mqtt": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/async-mqtt/-/async-mqtt-2.6.1.tgz",
-      "integrity": "sha512-EkXAwRzwMaPC6ji0EvNeM5OMe6VjMhEKVJJUN7gu/hGzkcDpZtaI34nUwdwCMbjQB3pnuSOHqQMFKsUpg+D8kA==",
+      "version": "2.6.3",
+      "resolved": "https://registry.npmjs.org/async-mqtt/-/async-mqtt-2.6.3.tgz",
+      "integrity": "sha512-mFGTtlEpOugOoLOf9H5AJyJaZUNtOVXLGGOnPaPZDPQex6W6iIOgtV+fAgam0GQbgnLfgX+Wn/QzS6d+PYfFAQ==",
       "requires": {
-        "mqtt": "^4.1.0"
+        "mqtt": "^4.3.7"
       }
     },
     "asynckit": {
diff --git a/samples/package.json b/samples/package.json
index a17b090..64b72d8 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -12,7 +12,7 @@
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "dependencies": {
-    "async-mqtt": "2.6.1",
+    "async-mqtt": "2.6.3",
     "debug": "^4.3.1",
     "express": "^4.17.1",
     "request": "^2.88.0",