diff --git a/package-lock.json b/package-lock.json
index 332ca34..b42865f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -609,11 +609,6 @@
         "lodash": "^4.17.11"
       }
     },
-    "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": "2.1.2",
       "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.2.tgz",
@@ -5379,12 +5374,9 @@
       }
     },
     "ws": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.0.0.tgz",
-      "integrity": "sha512-cknCal4k0EAOrh1SHHPPWWh4qm93g1IuGGGwBjWkXmCG7LsDtL8w9w+YVfaF+KSVwiHQKDIMsSLBVftKf9d1pg==",
-      "requires": {
-        "async-limiter": "^1.0.0"
-      }
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A=="
     },
     "xtend": {
       "version": "4.0.1",
diff --git a/package.json b/package.json
index a8cf96d..65aa570 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "jslint": "^0.12.1",
     "pg": "^7.11.0",
     "uuid": "^3.3.2",
-    "ws": "^7.0.0"
+    "ws": "^7.4.6"
   },
   "devDependencies": {
     "eslint": "^5.16.0",