diff --git a/package-lock.json b/package-lock.json
index 38ab04b..9e595d8 100644
--- a/package-lock.json
+++ b/package-lock.json
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-        "ipaddr.js": "1.6.0"
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@@ -1960,9 +2031,9 @@
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-      "integrity": "sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4="
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@@ -2156,23 +2227,57 @@
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-        "mime": "1.4.1",
-        "ms": "2.0.0",
+        "http-errors": "1.8.1",
+        "mime": "1.6.0",
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-        "range-parser": "~1.2.0",
-        "statuses": "~1.4.0"
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+            "inherits": "2.0.4",
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+            "statuses": ">= 1.5.0 < 2",
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+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
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+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
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+          "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
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+        },
+        "statuses": {
+          "version": "1.5.0",
+          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
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+      "version": "1.14.2",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.2.tgz",
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-        "parseurl": "~1.3.2",
-        "send": "0.16.2"
+        "parseurl": "~1.3.3",
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@@ -2407,6 +2512,11 @@
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+    "toidentifier": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
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@@ -2519,7 +2629,7 @@
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-      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
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diff --git a/package.json b/package.json
index 4605ca5..e27b9ec 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
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     "ethereumjs-tx": "^1.3.6",
     "ethereumjs-wallet": "^0.6.0",
-    "express": "^4.9.8",
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     "express-validator": "^5.2.0",
     "typedarray-to-buffer": "^3.1.5",
     "web3": "1.2.6"