diff --git a/package-lock.json b/package-lock.json
index 55c81dced..00e8d0746 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9060,9 +9060,9 @@
             "dev": true
         },
         "node_modules/mqtt": {
-            "version": "5.5.0",
-            "resolved": "https://registry.npmjs.org/mqtt/-/mqtt-5.5.0.tgz",
-            "integrity": "sha512-8WGQpjEzABcCh/UwLj7XaEoLsSLHJrJK3YLu57fJoLUBdz6zPGFdxWK3i1YYdPqKDu0sU6YHt+tly/qdLsLiyg==",
+            "version": "5.7.3",
+            "resolved": "https://registry.npmjs.org/mqtt/-/mqtt-5.7.3.tgz",
+            "integrity": "sha512-v+5la6Q6zjl0AWsI7ICDA/K3hclkNj7CMa0khMugCC+LKPLrQF+sSQb/9ckezZLMvcBC1tXhRzqmcagQoDl9fQ==",
             "dependencies": {
                 "@types/readable-stream": "^4.0.5",
                 "@types/ws": "^8.5.9",
@@ -9080,7 +9080,7 @@
                 "rfdc": "^1.3.0",
                 "split2": "^4.2.0",
                 "worker-timers": "^7.1.4",
-                "ws": "^8.14.2"
+                "ws": "^8.17.1"
             },
             "bin": {
                 "mqtt": "build/bin/mqtt.js",
@@ -9194,9 +9194,9 @@
             }
         },
         "node_modules/mqtt/node_modules/ws": {
-            "version": "8.16.0",
-            "resolved": "https://registry.npmjs.org/ws/-/ws-8.16.0.tgz",
-            "integrity": "sha512-HS0c//TP7Ina87TfiPUz1rQzMhHrl/SG2guqRcTOIUYD2q8uhUdNHZYJUaQ8aTGPzCh+c6oawMKW35nFl1dxyQ==",
+            "version": "8.17.1",
+            "resolved": "https://registry.npmjs.org/ws/-/ws-8.17.1.tgz",
+            "integrity": "sha512-6XQFvXTkbfUOZOKKILFG1PDK2NDQs4azKQl26T0YS5CxqWLgXajbPZ+h4gZekJyRqFU8pvnbAbbs/3TgRPy+GQ==",
             "engines": {
                 "node": ">=10.0.0"
             },
@@ -13575,7 +13575,7 @@
             "version": "0.3.0",
             "license": "MIT",
             "dependencies": {
-                "mqtt": "^5.5.0",
+                "mqtt": "^5.7.3",
                 "nodecg-io-core": "^0.3.0"
             },
             "devDependencies": {
diff --git a/services/nodecg-io-mqtt-client/package.json b/services/nodecg-io-mqtt-client/package.json
index fce455898..0eb4d3c7f 100644
--- a/services/nodecg-io-mqtt-client/package.json
+++ b/services/nodecg-io-mqtt-client/package.json
@@ -38,6 +38,6 @@
     },
     "dependencies": {
         "nodecg-io-core": "^0.3.0",
-        "mqtt": "^5.5.0"
+        "mqtt": "^5.7.3"
     }
 }