diff --git a/package-lock.json b/package-lock.json
index b55728a..7425099 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,9 +37,9 @@
       "integrity": "sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0="
     },
     "ajv": {
-      "version": "6.12.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.2.tgz",
-      "integrity": "sha512-k+V+hzjm5q/Mr8ef/1Y9goCmlsK4I6Sm74teeyGvFk1XrOsbsKLjEdrvny42CZ+a8sXbk8KWpY/bDwS+FLL2UQ==",
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "requires": {
         "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
@@ -2467,7 +2467,7 @@
       "dependencies": {
         "websocket": {
           "version": "github:web3-js/WebSocket-Node#ef5ea2f41daf4a2113b80c9223df884b4d56c400",
-          "from": "github:web3-js/WebSocket-Node#polyfill/globalThis",
+          "from": "github:web3-js/WebSocket-Node#ef5ea2f41daf4a2113b80c9223df884b4d56c400",
           "requires": {
             "debug": "^2.2.0",
             "es5-ext": "^0.10.50",