diff --git a/apps/hash-api/package.json b/apps/hash-api/package.json
index 8110a4f3702..0d48fa6a343 100644
--- a/apps/hash-api/package.json
+++ b/apps/hash-api/package.json
@@ -99,7 +99,7 @@
     "ts-json-schema-generator": "1.5.1",
     "tsx": "4.19.1",
     "typescript": "5.6.2",
-    "ws": "8.17.1"
+    "ws": "8.18.0"
   },
   "devDependencies": {
     "@blockprotocol/graph": "0.4.0-canary.0",
diff --git a/apps/plugin-browser/package.json b/apps/plugin-browser/package.json
index daa78466dcc..dae7a623c6f 100755
--- a/apps/plugin-browser/package.json
+++ b/apps/plugin-browser/package.json
@@ -45,7 +45,7 @@
     "react-dom": "18.2.0",
     "uuid": "9.0.1",
     "webextension-polyfill": "0.10.0",
-    "ws": "8.17.1"
+    "ws": "8.18.0"
   },
   "devDependencies": {
     "@babel/core": "7.25.2",
diff --git a/yarn.lock b/yarn.lock
index c6fb40e06ea..31b60e6c532 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -32149,10 +32149,10 @@ ws@8.16.0:
   resolved "https://registry.yarnpkg.com/ws/-/ws-8.16.0.tgz#d1cd774f36fbc07165066a60e40323eab6446fd4"
   integrity sha512-HS0c//TP7Ina87TfiPUz1rQzMhHrl/SG2guqRcTOIUYD2q8uhUdNHZYJUaQ8aTGPzCh+c6oawMKW35nFl1dxyQ==
 
-ws@8.17.1, ws@^8.12.0, ws@^8.13.0, ws@^8.15.1, ws@^8.16.0, ws@^8.17.1, ws@^8.2.3, ws@~8.17.1:
-  version "8.17.1"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-8.17.1.tgz#9293da530bb548febc95371d90f9c878727d919b"
-  integrity sha512-6XQFvXTkbfUOZOKKILFG1PDK2NDQs4azKQl26T0YS5CxqWLgXajbPZ+h4gZekJyRqFU8pvnbAbbs/3TgRPy+GQ==
+ws@8.18.0, ws@^8.12.0, ws@^8.13.0, ws@^8.15.1, ws@^8.16.0, ws@^8.17.1, ws@^8.18.0, ws@^8.2.3:
+  version "8.18.0"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-8.18.0.tgz#0d7505a6eafe2b0e712d232b42279f53bc289bbc"
+  integrity sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw==
 
 ws@^5.2.2:
   version "5.2.4"
@@ -32173,10 +32173,10 @@ ws@^7.3.1, ws@^7.4.2, ws@^7.5.7:
   resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.10.tgz#58b5c20dc281633f6c19113f39b349bd8bd558d9"
   integrity sha512-+dbF1tHwZpXcbOJdVOkzLDxZP1ailvSxM6ZweXTegylPny803bFhA+vqBYw4s31NSAk4S2Qz+AKXK9a4wkdjcQ==
 
-ws@^8.18.0:
-  version "8.18.0"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-8.18.0.tgz#0d7505a6eafe2b0e712d232b42279f53bc289bbc"
-  integrity sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw==
+ws@~8.17.1:
+  version "8.17.1"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-8.17.1.tgz#9293da530bb548febc95371d90f9c878727d919b"
+  integrity sha512-6XQFvXTkbfUOZOKKILFG1PDK2NDQs4azKQl26T0YS5CxqWLgXajbPZ+h4gZekJyRqFU8pvnbAbbs/3TgRPy+GQ==
 
 xml-js@^1.6.11:
   version "1.6.11"