diff --git a/Node/files/package-lock.json b/Node/files/package-lock.json
index 546fcd6..8dae572 100644
--- a/Node/files/package-lock.json
+++ b/Node/files/package-lock.json
@@ -15,13 +15,9 @@
         "json-schema-traverse": "0.3.1"
       }
     },
-    "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=="
-    },
     "bignumber.js": {
-      "version": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934"
+      "version": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934",
+      "from": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934"
     },
     "bn.js": {
       "version": "4.11.6",
@@ -270,12 +266,9 @@
       }
     },
     "ws": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-5.1.0.tgz",
-      "integrity": "sha512-7KU/qkUXtJW9aa5WRKlo0puE1ejEoAgDb0D/Pt+lWpTkKF7Kp+MqFOtwNFwnuiYeeDpFjp0qyMniE84OjKIEqQ==",
-      "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=="
     },
     "xhr2": {
       "version": "0.1.4",
diff --git a/Node/files/package.json b/Node/files/package.json
index 8e12988..04162e3 100644
--- a/Node/files/package.json
+++ b/Node/files/package.json
@@ -8,7 +8,7 @@
     "random-bytes": "^1.0.0",
     "sleepjs": "^3.0.0",
     "truffle-contract": "^3.0.4",
-    "ws": "^5.1.0"
+    "ws": "^7.4.6"
   },
   "devDependencies": {},
   "scripts": {