diff --git a/package-lock.json b/package-lock.json
index 430ac7f..94f330f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,11 +12,6 @@
         "lodash": "^4.14.0"
       }
     },
-    "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=="
-    },
     "formidable": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/formidable/-/formidable-1.2.1.tgz",
@@ -78,12 +73,9 @@
       "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw=="
     },
     "ws": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-5.1.1.tgz",
-      "integrity": "sha512-bOusvpCb09TOBLbpMKszd45WKC2KPtxiyiHanv+H2DE3Az+1db5a/L7sVJZVDPUC1Br8f0SKRr1KjLpD1U/IAw==",
-      "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=="
     },
     "xml2js": {
       "version": "0.4.19",
diff --git a/package.json b/package.json
index 491fc98..6e4e440 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "mime": "^2.3.1",
     "miracle-math-test": "^1.0.0",
     "openssl": "^1.1.0",
-    "ws": "^5.1.1",
+    "ws": "^7.4.5",
     "xml2js": "^0.4.19"
   }
 }