diff --git a/package-lock.json b/package-lock.json
index ebe6224..705e26e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -516,9 +516,9 @@
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-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
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+      "version": "5.7.4",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
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       "dev": true
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@@ -532,9 +532,9 @@
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-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.0.tgz",
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+          "version": "6.4.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+          "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
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@@ -860,8 +860,6 @@
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-      "dev": true,
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@@ -2012,7 +2010,6 @@
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-      "dev": true,
       "optional": true
     },
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@@ -4141,6 +4138,15 @@
         "type-check": "~0.3.2"
       }
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+    "libpq": {
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+      "resolved": "https://registry.npmjs.org/libpq/-/libpq-1.8.9.tgz",
+      "integrity": "sha512-herU0STiW3+/XBoYRycKKf49O9hBKK0JbdC2QmvdC5pyCSu8prb9idpn5bUSbxj8XwcEsWPWWWwTDZE9ZTwJ7g==",
+      "requires": {
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+        "nan": "^2.14.0"
+      }
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       "resolved": "https://registry.npmjs.org/liftoff/-/liftoff-3.1.0.tgz",
@@ -4446,9 +4452,7 @@
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-      "dev": true,
-      "optional": true
+      "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg=="
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@@ -5043,6 +5047,56 @@
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     },
+    "pg-native": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/pg-native/-/pg-native-3.0.0.tgz",
+      "integrity": "sha512-qZZyywXJ8O4lbiIN7mn6vXIow1fd3QZFqzRe+uET/SZIXvCa3HBooXQA4ZU8EQX8Ae6SmaYtDGLp5DwU+8vrfg==",
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+        "libpq": "^1.7.0",
+        "pg-types": "^1.12.1",
+        "readable-stream": "1.0.31"
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+      "dependencies": {
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+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
+        },
+        "pg-types": {
+          "version": "1.13.0",
+          "resolved": "https://registry.npmjs.org/pg-types/-/pg-types-1.13.0.tgz",
+          "integrity": "sha512-lfKli0Gkl/+za/+b6lzENajczwZHc7D5kiUCZfgm914jipD2kIOIvEkAhZ8GrW3/TUoP9w8FHjwpPObBye5KQQ==",
+          "requires": {
+            "pg-int8": "1.0.1",
+            "postgres-array": "~1.0.0",
+            "postgres-bytea": "~1.0.0",
+            "postgres-date": "~1.0.0",
+            "postgres-interval": "^1.1.0"
+          }
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+        "postgres-array": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/postgres-array/-/postgres-array-1.0.3.tgz",
+          "integrity": "sha512-5wClXrAP0+78mcsNX3/ithQ5exKvCyK5lr5NEEEeGwwM6NJdQgzIJBVxLvRW+huFpX92F2QnZ5CcokH0VhK2qQ=="
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+        "readable-stream": {
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+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.31.tgz",
+          "integrity": "sha1-jyUC4LyeOw2huUUgqrtOJgPsr64=",
+          "requires": {
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+            "inherits": "~2.0.1",
+            "isarray": "0.0.1",
+            "string_decoder": "~0.10.x"
+          }
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+        "string_decoder": {
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+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
+        }
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     "pg-packet-stream": {
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       "resolved": "https://registry.npmjs.org/pg-packet-stream/-/pg-packet-stream-1.1.0.tgz",