diff --git a/package.json b/package.json
index 50991ae..4cca928 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "typescript": "^2.9.2",
     "uuid": "^3.3.2",
     "winston": "^3.0.0",
-    "ws": "^5.2.1",
+    "ws": "^5.2.3",
     "zone.js": "^0.8.26"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index b264069..72e1cc1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5654,9 +5654,9 @@ write-file-atomic@^1.1.4:
     imurmurhash "^0.1.4"
     slide "^1.1.5"
 
-ws@^5.2.1:
-  version "5.2.2"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-5.2.2.tgz#dffef14866b8e8dc9133582514d1befaf96e980f"
+ws@^5.2.3:
+  version "5.2.3"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-5.2.3.tgz#05541053414921bc29c63bee14b8b0dd50b07b3d"
   dependencies:
     async-limiter "~1.0.0"