diff --git a/package-lock.json b/package-lock.json
index 417dcc7..85240d9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1045,6 +1045,205 @@
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+        "@ethersproject/rlp": "^5.2.0"
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+      "resolved": "https://registry.npmjs.org/@ethersproject/base64/-/base64-5.2.0.tgz",
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+          "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc="
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+      "resolved": "https://registry.npmjs.org/@ethersproject/networks/-/networks-5.2.0.tgz",
+      "integrity": "sha512-q+htMgq7wQoEnjlkdHM6t1sktKxNbEB/F6DQBPNwru7KpQ1R0n0UTIXJB8Rb7lSnvjqcAQ40X3iVqm94NJfYDw==",
+      "requires": {
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+      }
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+      "resolved": "https://registry.npmjs.org/@ethersproject/properties/-/properties-5.2.0.tgz",
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+      }
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+    "@ethersproject/rlp": {
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+      "resolved": "https://registry.npmjs.org/@ethersproject/rlp/-/rlp-5.2.0.tgz",
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+      "resolved": "https://registry.npmjs.org/@ethersproject/web/-/web-5.2.0.tgz",
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+        "@ethersproject/bytes": "^5.2.0",
+        "@ethersproject/logger": "^5.2.0",
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@@ -1351,9 +1550,25 @@
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+      "resolved": "https://registry.npmjs.org/@types/pbkdf2/-/pbkdf2-3.1.0.tgz",
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@@ -1839,10 +2019,18 @@
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+        "xhr-request": "^1.1.0"
       }
     },
     "xhr2-cookies": {
@@ -10387,11 +10790,6 @@
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       "dev": true
     },
-    "xmlhttprequest": {
-      "version": "1.8.0",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
-      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
-    },
     "xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
@@ -10465,15 +10863,6 @@
         "camelcase": "^5.0.0",
         "decamelize": "^1.2.0"
       }
-    },
-    "yauzl": {
-      "version": "2.10.0",
-      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
-      "integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
-      "requires": {
-        "buffer-crc32": "~0.2.3",
-        "fd-slicer": "~1.1.0"
-      }
     }
   }
 }