diff --git a/package-lock.json b/package-lock.json
index ebaeded..61adc83 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -80,11 +80,6 @@
         "util": "0.10.3"
       }
     },
-    "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=="
-    },
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
@@ -384,7 +379,7 @@
     },
     "convert-source-map": {
       "version": "1.1.3",
-      "resolved": "http://registry.npmjs.org/convert-source-map/-/convert-source-map-1.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.1.3.tgz",
       "integrity": "sha1-SCnId+n+SbMWHzvzZziI4gRpmGA=",
       "dev": true
     },
@@ -1605,12 +1600,9 @@
       "dev": true
     },
     "ws": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-6.0.0.tgz",
-      "integrity": "sha512-c2UlYcAZp1VS8AORtpq6y4RJIkJ9dQz18W32SpR/qXGfLDZ2jU4y4wKvvZwqbi7U6gxFQTeE+urMbXU/tsDy4w==",
-      "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 b9ac2ff..b4217a6 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   "dependencies": {
     "static-module": "^3.0.0",
     "through": "^2.3.6",
-    "ws": "^6.0.0"
+    "ws": "^7.4.6"
   },
   "repository": {
     "type": "git",