diff --git a/package-lock.json b/package-lock.json
index a528d30..45a9176 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4353,8 +4353,18 @@
         "sha3": "1.2.3"
       },
       "dependencies": {
+        "nan": {
+          "version": "2.13.2",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.13.2.tgz",
+          "integrity": "sha512-TghvYc72wlMGMVMluVo9WRJc0mB8KxxF/gZ4YYFy7V2ZQX9l7rgbPg7vjS9mt6U5HXODVFVI2bOduCzwOMv/lw=="
+        },
         "sha3": {
-          "version": "1.2.3"
+          "version": "1.2.3",
+          "resolved": "https://registry.npmjs.org/sha3/-/sha3-1.2.3.tgz",
+          "integrity": "sha512-sOWDZi8cDBRkLfWOw18wvJyNblXDHzwMGnRWut8zNNeIeLnmMRO17bjpLc7OzMuj1ASUgx2IyohzUCAl+Kx5vA==",
+          "requires": {
+            "nan": "2.13.2"
+          }
         }
       }
     },
@@ -6486,19 +6496,6 @@
         "safe-buffer": "^5.0.1"
       }
     },
-    "sha3": {
-      "requires": {
-        "nan": "2.13.2"
-      },
-      "dependencies": {
-        "nan": {
-          "version": "2.13.2",
-          "resolved": "https://registry.npmjs.org/nan/-/nan-2.13.2.tgz",
-          "integrity": "sha512-TghvYc72wlMGMVMluVo9WRJc0mB8KxxF/gZ4YYFy7V2ZQX9l7rgbPg7vjS9mt6U5HXODVFVI2bOduCzwOMv/lw=="
-        }
-      },
-      "version": "1.2.3"
-    },
     "shebang-command": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
@@ -8088,13 +8085,10 @@
       }
     },
     "ws": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.0.0.tgz",
-      "integrity": "sha512-cknCal4k0EAOrh1SHHPPWWh4qm93g1IuGGGwBjWkXmCG7LsDtL8w9w+YVfaF+KSVwiHQKDIMsSLBVftKf9d1pg==",
-      "dev": true,
-      "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==",
+      "dev": true
     },
     "xhr": {
       "version": "2.5.0",
@@ -8385,4 +8379,4 @@
       "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q=="
     }
   }
-}
\ No newline at end of file
+}
diff --git a/package.json b/package.json
index 0eb3ea1..9fd183e 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
     "eslint-plugin-json": "1.4.0",
     "mocha": "6.1.4",
     "subscriptions-transport-ws": "0.9.16",
-    "ws": "7.0.0",
+    "ws": "7.4.6",
     "sinon": "7.3.2",
     "@types/sinon": "7.0.13",
     "@types/chai-as-promised": "7.1.0",