diff --git a/package-lock.json b/package-lock.json
index 8e48cd2..1d9f29b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2033,9 +2033,9 @@
       "dev": true
     },
     "ws": {
-      "version": "7.4.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.0.tgz",
-      "integrity": "sha512-kyFwXuV/5ymf+IXhS6f0+eAFvydbaBW3zjpT6hUdAh/hbVjTIB5EHBGi0bPoCLSK2wcuz3BrEkB9LrYv1Nm4NQ=="
+      "version": "8.16.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.16.0.tgz",
+      "integrity": "sha512-HS0c//TP7Ina87TfiPUz1rQzMhHrl/SG2guqRcTOIUYD2q8uhUdNHZYJUaQ8aTGPzCh+c6oawMKW35nFl1dxyQ=="
     },
     "yamljs": {
       "version": "0.3.0",
diff --git a/package.json b/package.json
index 97162ec..803015f 100644
--- a/package.json
+++ b/package.json
@@ -111,7 +111,7 @@
     "docpad-baseplugin": "^1.4.0",
     "extendr": "^5.13.0",
     "primus": "^8.0.0",
-    "ws": "^7.3.1"
+    "ws": "^8.16.0"
   },
   "devDependencies": {
     "@bevry/update-contributors": "^1.15.0",