diff --git a/package.json b/package.json
index 50991ae..cb1c873 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": "^7.4.6",
     "zone.js": "^0.8.26"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index b264069..89558b0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -608,10 +608,6 @@ async-each@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
 
-async-limiter@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
-
 async@^1.4.0:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
@@ -5654,15 +5650,9 @@ 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"
-  dependencies:
-    async-limiter "~1.0.0"
-
-ws@~7.4.2:
-  version "7.4.2"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.2.tgz#782100048e54eb36fe9843363ab1c68672b261dd"
+ws@^7.4.6, ws@~7.4.2:
+  version "7.4.6"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
 
 xml2js@^0.4.17:
   version "0.4.19"