diff --git a/package-lock.json b/package-lock.json
index 02dbdbe..09adbeb 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -7292,17 +7360,6 @@
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@@ -7395,24 +7452,6 @@
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-            "fast-json-stable-stringify": "^2.0.0",
-            "json-schema-traverse": "^0.4.1",
-            "uri-js": "^4.2.2"
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-        "ajv-keywords": {
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-          "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.5.2.tgz",
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@@ -7557,6 +7596,15 @@
         "has-tostringtag": "^1.0.0"
       }
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+    "wide-align": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
+      "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
+      "dev": true,
+      "requires": {
+        "string-width": "^1.0.2 || 2"
+      }
+    },
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@@ -7674,6 +7722,125 @@
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       }
+    },
+    "yargs-unparser": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.6.0.tgz",
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+      "dev": true,
+      "requires": {
+        "flat": "^4.1.0",
+        "lodash": "^4.17.15",
+        "yargs": "^13.3.0"
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+          "dev": true
+        },
+        "camelcase": {
+          "version": "5.3.1",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
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+            "strip-ansi": "^5.2.0",
+            "wrap-ansi": "^5.1.0"
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+            "get-caller-file": "^2.0.1",
+            "require-directory": "^2.1.1",
+            "require-main-filename": "^2.0.0",
+            "set-blocking": "^2.0.0",
+            "string-width": "^3.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^4.0.0",
+            "yargs-parser": "^13.1.2"
+          }
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+        "yargs-parser": {
+          "version": "13.1.2",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
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   }
 }
diff --git a/package.json b/package.json
index bf3a919..41e03d9 100644
--- a/package.json
+++ b/package.json
@@ -113,23 +113,21 @@
     "@babel/plugin-transform-unicode-regex": "^7.0.0",
     "@babel/register": "^7.0.0",
     "babel-loader": "^8.0.0",
-    "bignumber.js": "3.0.1",
-    "bn.js": "4.11.6",
-    "chai": "3.5.0",
-    "cross-env": "6.0.3",
+    "bignumber.js": "^9.1.2",
+    "bn.js": "^5.2.1",
+    "chai": "^4.3.10",
+    "cross-env": "^6.0.3",
     "eslint": "^5.4.0",
-    "eslint-config-airbnb": "17.1.1",
-    "eslint-import-resolver-webpack": "0.2.4",
+    "eslint-config-airbnb": "^17.1.1",
+    "eslint-import-resolver-webpack": "^0.2.4",
     "eslint-plugin-import": "^2.18.0",
     "eslint-plugin-jsx-a11y": "^6.2.3",
     "eslint-plugin-react": "^7.14.2",
-    "eventsource-polyfill": "0.9.6",
-    "istanbul": "0.4.5",
+    "istanbul": "^0.4.5",
     "json-loader": "^0.5.7",
-    "lint-staged": "1.0.1",
-    "mocha": "3.1.2",
-    "pre-commit": "1.1.3",
-    "rimraf": "2.3.4",
+    "mocha": "^7.2.0",
+    "pre-commit": "^1.2.2",
+    "rimraf": "^3.0.2",
     "webpack": "^3.12.0"
   },
   "engines": {
@@ -204,9 +202,6 @@
     "decoding"
   ],
   "license": "MIT",
-  "lint-staged": {
-    "lint:eslint": "*.js"
-  },
   "main": "lib/index.js",
   "name": "@metamask/ethjs-util",
   "pre-commit": "build",
@@ -227,7 +222,6 @@
     "lint": "npm run lint:js",
     "lint:eslint": "eslint --ignore-path .gitignore --ignore-pattern **/**.min.js",
     "lint:js": "npm run lint:eslint -- . ",
-    "lint:staged": "lint-staged",
     "prebuild": "npm run build:clean && npm run test",
     "prepare": "npm run build",
     "pretest": "npm run lint",