diff --git a/package.json b/package.json
index 2c4921e..8be1d6b 100644
--- a/package.json
+++ b/package.json
@@ -92,7 +92,7 @@
 		"source-map-loader": "^1.0.0",
 		"tslib": "^1.9.0",
 		"url": "^0.11.0",
-		"ws": "^7.3.0"
+		"ws": "^7.4.6"
 	},
 	"devDependencies": {
 		"babel-core": "^6.26.3",
diff --git a/yarn.lock b/yarn.lock
index 1ac7f55..4eb0571 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8498,10 +8498,10 @@ ws@^6.2.1:
   dependencies:
     async-limiter "~1.0.0"
 
-ws@^7.2.3, ws@^7.3.0:
-  version "7.3.0"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.3.0.tgz#4b2f7f219b3d3737bc1a2fbf145d825b94d38ffd"
-  integrity sha512-iFtXzngZVXPGgpTlP1rBqsUK82p9tKqsWRPg5L56egiljujJT3vGAYnHANvFxBieXrTFavhzhxW52jnaWV+w2w==
+ws@^7.2.3, ws@^7.4.6:
+  version "7.4.6"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
+  integrity sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==
 
 xml-name-validator@^3.0.0:
   version "3.0.0"