diff --git a/package-lock.json b/package-lock.json
index 636a07c..d110d6d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -817,31 +817,19 @@
       "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc="
     },
     "ethers": {
-      "version": "2.2.6",
-      "resolved": "https://registry.npmjs.org/ethers/-/ethers-2.2.6.tgz",
-      "integrity": "sha512-DU+WbhXIGP/wFDYFuiZXSr170MFQpRuzjwDRT/FNX1g22nB9JHDlP70/CE+7DtLJdFD+8wvV5QqrnCjMQmTjVg==",
+      "version": "3.0.7",
+      "resolved": "https://registry.npmjs.org/ethers/-/ethers-3.0.7.tgz",
+      "integrity": "sha512-dGRRAaPzvbInGYBGYarYmz6ESjR52AtIiAP7PAZFbcOOmbyqmFVcvVqNiBU5SihK2ER6Va4HwNevOIoI/AzLgw==",
       "requires": {
-        "ethers-contracts": "2.2.1",
-        "ethers-providers": "2.1.19",
-        "ethers-utils": "2.1.11",
-        "ethers-wallet": "2.1.8"
-      }
-    },
-    "ethers-contracts": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/ethers-contracts/-/ethers-contracts-2.2.1.tgz",
-      "integrity": "sha512-3fT2gyhoDhqp/bgaBOenmyu74dDGGO9adkBaOtEuNmFq0Yf4nwynYWJv++rDxe6Z5Dl5cBF304GhnJUVFVlfCA==",
-      "requires": {
-        "ethers-utils": "2.1.11"
-      }
-    },
-    "ethers-providers": {
-      "version": "2.1.19",
-      "resolved": "https://registry.npmjs.org/ethers-providers/-/ethers-providers-2.1.19.tgz",
-      "integrity": "sha512-usjJ5qyGO84kMmIYImwGhJo12nnG5uzqpZlViYQFEfwBzqoj7b9e55xnc7fP6XWcnPrrbMqIa0KrW8BKy9bYpg==",
-      "requires": {
-        "ethers-utils": "2.1.11",
+        "aes-js": "3.0.0",
+        "bn.js": "4.11.8",
+        "elliptic": "6.3.3",
+        "hash.js": "1.1.3",
         "inherits": "2.0.1",
+        "js-sha3": "0.5.7",
+        "scrypt-js": "2.0.3",
+        "setimmediate": "1.0.4",
+        "uuid": "2.0.1",
         "xmlhttprequest": "1.8.0"
       },
       "dependencies": {
@@ -852,30 +840,6 @@
         }
       }
     },
-    "ethers-utils": {
-      "version": "2.1.11",
-      "resolved": "https://registry.npmjs.org/ethers-utils/-/ethers-utils-2.1.11.tgz",
-      "integrity": "sha512-BfkGStBmmLjhTldmp5lifiwUeDjx/yowoWfmUnnvPNsix5PFE8IXQdY5VT/Qo1SXMgxzCe8m0Z8ysUw6Q9OmAw==",
-      "requires": {
-        "bn.js": "4.11.8",
-        "hash.js": "1.1.3",
-        "js-sha3": "0.5.7",
-        "xmlhttprequest": "1.8.0"
-      }
-    },
-    "ethers-wallet": {
-      "version": "2.1.8",
-      "resolved": "https://registry.npmjs.org/ethers-wallet/-/ethers-wallet-2.1.8.tgz",
-      "integrity": "sha512-RRISXGCnaFj35WDTyj4Z8UlVkiNep05b7fApON9Ao9y096VhY8/H2w3reGB2VAWIQBM1ZcAY9W67hhMfb5+Prw==",
-      "requires": {
-        "aes-js": "3.0.0",
-        "elliptic": "6.3.3",
-        "ethers-utils": "2.1.11",
-        "scrypt-js": "2.0.3",
-        "setimmediate": "1.0.4",
-        "uuid": "2.0.1"
-      }
-    },
     "ethjs-format": {
       "version": "0.1.8",
       "resolved": "https://registry.npmjs.org/ethjs-format/-/ethjs-format-0.1.8.tgz",
diff --git a/package.json b/package.json
index 269ebcc..0e3ee1f 100644
--- a/package.json
+++ b/package.json
@@ -13,15 +13,15 @@
   "dependencies": {
     "body-parser": "^1.17.2",
     "cors": "^2.8.1",
-    "ethers": "^2.2.6",
-    "ethjs-provider-signer": "^0.1.4",
-    "ethjs-query": "^0.2.4",
-    "ethjs-signer": "^0.1.1",
+    "ethers": "^3.0",
+    "ethjs-provider-signer": "^0.1",
+    "ethjs-query": "^0.2",
+    "ethjs-signer": "^0.1",
     "express": "^4.15.2",
     "helmet": "^3.9.0",
     "lodash": "^4.17.4",
     "web3": "^0.18.2",
-    "winston": "^3.0.0-rc1"
+    "winston": "^3.0.0-rc3"
   },
   "devDependencies": {
     "chai": "^4.1.2",