diff --git a/package-lock.json b/package-lock.json
index 2852066..0c999d0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -69,7 +69,7 @@
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-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -2518,17 +2518,17 @@
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-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/flat/-/flat-4.1.0.tgz",
-      "integrity": "sha512-Px/TiLIznH7gEDlPXcUD4KnBusa6kR6ayRUVcnEAbreRIuhkqow/mun59BuRXwoYk7ZQOLW1ZM05ilIvK38hFw==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/flat/-/flat-5.0.0.tgz",
+      "integrity": "sha512-6KSMM+cHHzXC/hpldXApL2S8Uz+QZv+tq5o/L0KQYleoG+GcwrnIJhTWC7tCOiKQp8D/fIvryINU1OZCCwevjA==",
       "requires": {
-        "is-buffer": "~2.0.3"
+        "is-buffer": "~2.0.4"
       },
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-          "version": "2.0.3",
-          "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.3.tgz",
-          "integrity": "sha512-U15Q7MXTuZlrbymiz95PJpZxu8IlipAp4dtS3wOdgPXx3mqBnslrWU14kxfHB+Py/+2PVKSr37dMAgM2A4uArw=="
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.4.tgz",
+          "integrity": "sha512-Kq1rokWXOPXWuaMAqZiJW4XxsmD9zGx9q4aePabbn3qCRGedtH7Cm+zV8WETitMfu1wdh+Rvd6w5egwSngUX2A=="
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     },
@@ -6138,7 +6138,7 @@
       "dependencies": {
         "nan": {
           "version": "2.10.0",
-          "resolved": "http://registry.npmjs.org/nan/-/nan-2.10.0.tgz",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.10.0.tgz",
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@@ -7993,7 +7993,7 @@
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         "utf8": {
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-          "resolved": "http://registry.npmjs.org/utf8/-/utf8-2.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/utf8/-/utf8-2.1.1.tgz",
           "integrity": "sha1-LgHbAvfY0JRPdxBPFgnrDDBM92g="
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diff --git a/package.json b/package.json
index a358802..4d3cf6a 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "eth-phishing-detect": "1.1.13",
     "ethereum-ens": "0.7.4",
     "express": "4.16.4",
-    "flat": "4.1.0",
+    "flat": "5.0.0",
     "fs-extra": "7.0.1",
     "github-api": "3.0.0",
     "helmet": "3.15.0",