diff --git a/package-lock.json b/package-lock.json
index 5037084..d5925ab 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@ensdomains/dnssec-oracle",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -12063,6 +12063,62 @@
         "web3-net": "1.3.5"
       }
     },
+    "web3-utils": {
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.3.5.tgz",
+      "integrity": "sha512-5apMRm8ElYjI/92GHqijmaLC+s+d5lgjpjHft+rJSs/dsnX8I8tQreqev0dmU+wzU+2EEe4Sx9a/OwGWHhQv3A==",
+      "dev": true,
+      "requires": {
+        "bn.js": "^4.11.9",
+        "eth-lib": "0.2.8",
+        "ethereum-bloom-filters": "^1.0.6",
+        "ethjs-unit": "0.1.6",
+        "number-to-bn": "1.7.0",
+        "randombytes": "^2.1.0",
+        "underscore": "1.9.1",
+        "utf8": "3.0.0"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.12.0",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+          "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+          "dev": true
+        },
+        "eth-lib": {
+          "version": "0.2.8",
+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.8.tgz",
+          "integrity": "sha512-ArJ7x1WcWOlSpzdoTBX8vkwlkSQ85CjjifSZtV4co64vWxSV8geWfPI9x4SVYu3DSxnX4yWFVTtGL+j9DUFLNw==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          }
+        },
+        "randombytes": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.1.0.tgz",
+          "integrity": "sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==",
+          "dev": true,
+          "requires": {
+            "safe-buffer": "^5.1.0"
+          }
+        },
+        "underscore": {
+          "version": "1.9.1",
+          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.9.1.tgz",
+          "integrity": "sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg==",
+          "dev": true
+        },
+        "utf8": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/utf8/-/utf8-3.0.0.tgz",
+          "integrity": "sha512-E8VjFIQ/TyQgp+TZfS6l8yp/xWppSAHzidGiRrqe4bK4XP9pTRyKFgGJpO3SN7zdX4DeomTrwaseCHovfpFcqQ==",
+          "dev": true
+        }
+      }
+    },
     "websocket": {
       "version": "1.0.33",
       "resolved": "https://registry.npmjs.org/websocket/-/websocket-1.0.33.tgz",
diff --git a/package.json b/package.json
index 2e01e1d..3ff3ed8 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,8 @@
     "hardhat": "^2.1.2",
     "rfc4648": "^1.1.0",
     "solium": "^1.2.3",
-    "web3": "^1.3.5"
+    "web3": "^1.3.5",
+    "web3-utils": "^1.3.5"
   },
   "scripts": {
     "test": "npx hardhat test",