diff --git a/package-lock.json b/package-lock.json
index 9beaba3..daefa89 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2257,11 +2257,6 @@
       "integrity": "sha1-GdOGodntxufByF04iu28xW0zYC0=",
       "dev": true
     },
-    "async-limiter": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
-      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
-    },
     "atob": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.1.tgz",
@@ -12744,12 +12739,9 @@
       }
     },
     "ws": {
-      "version": "5.2.1",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.1.tgz",
-      "integrity": "sha512-2NkHdPKjDBj3CHdnAGNpmlliryKqF+n9MYXX7/wsVC4yqYocKreKNjydPDvT3wShAZnndlM0RytEfTALCDvz7A==",
-      "requires": {
-        "async-limiter": "~1.0.0"
-      }
+      "version": "7.4.5",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.5.tgz",
+      "integrity": "sha512-xzyu3hFvomRfXKH8vOFMU3OguG6oOvhXMo3xsGy3xWExqaM2dxBbVxuD99O7m3ZUFMvvscsZDqxfgMaRr/Nr1g=="
     },
     "xtend": {
       "version": "4.0.1",
diff --git a/package.json b/package.json
index ee02afa..8c67c27 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,6 @@
     "react-dom": "^16.4.1",
     "react-redux": "^5.0.7",
     "redux": "^4.0.0",
-    "ws": "^5.2.1"
+    "ws": "^7.4.5"
   }
 }