diff --git a/package-lock.json b/package-lock.json
index 14685ee..cbee6c2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -68,9 +68,9 @@
       "dev": true
     },
     "buffer-writer": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/buffer-writer/-/buffer-writer-1.0.0.tgz",
-      "integrity": "sha1-bCnDst6gyeRVofJhoZmkigT4iwg="
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/buffer-writer/-/buffer-writer-1.0.1.tgz",
+      "integrity": "sha1-Iqk2kB4wKa/NdUfrRIfOtpejvwg="
     },
     "busboy": {
       "version": "0.2.4",
@@ -199,9 +199,9 @@
       "dev": true
     },
     "generic-pool": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/generic-pool/-/generic-pool-2.1.1.tgz",
-      "integrity": "sha1-rwTcLDJc/Ll1Aj+lK/zpYXp0Nf0="
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/generic-pool/-/generic-pool-2.4.2.tgz",
+      "integrity": "sha1-iGvFvwvrfblugby7oHiBjeWmJoM="
     },
     "glob": {
       "version": "7.1.1",
@@ -267,6 +267,11 @@
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
       "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
     },
+    "js-string-escape": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/js-string-escape/-/js-string-escape-1.0.1.tgz",
+      "integrity": "sha1-4mJbrbwNZ8dTPp7cEGjFh65BN+8="
+    },
     "lru-cache": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.3.1.tgz",
@@ -363,17 +368,18 @@
       "dev": true
     },
     "pg": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/pg/-/pg-4.1.1.tgz",
-      "integrity": "sha1-mEgKz8089qP5Yhyl1FiUFVgqVzI=",
+      "version": "4.5.7",
+      "resolved": "https://registry.npmjs.org/pg/-/pg-4.5.7.tgz",
+      "integrity": "sha1-Ra4WsjcGpjRaAyed7MaveVwW0ps=",
       "requires": {
-        "buffer-writer": "1.0.0",
-        "generic-pool": "2.1.1",
+        "buffer-writer": "1.0.1",
+        "generic-pool": "2.4.2",
+        "js-string-escape": "1.0.1",
         "packet-reader": "0.2.0",
         "pg-connection-string": "0.1.3",
-        "pg-types": "1.6.0",
+        "pg-types": "1.*",
         "pgpass": "0.0.3",
-        "semver": "4.3.6"
+        "semver": "^4.1.0"
       }
     },
     "pg-connection-string": {
@@ -381,17 +387,29 @@
       "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-0.1.3.tgz",
       "integrity": "sha1-2hhHsglA5C7hSSvq9l1J2RskXfc="
     },
+    "pg-int8": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/pg-int8/-/pg-int8-1.0.1.tgz",
+      "integrity": "sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw=="
+    },
     "pg-types": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/pg-types/-/pg-types-1.6.0.tgz",
-      "integrity": "sha1-OHKg8ZkUMCVJf07ipl/a8A1+qLM="
+      "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"
+      }
     },
     "pgpass": {
       "version": "0.0.3",
       "resolved": "https://registry.npmjs.org/pgpass/-/pgpass-0.0.3.tgz",
       "integrity": "sha1-EuZ+NDsxicLzEgbrycwL7//PkUA=",
       "requires": {
-        "split": "0.3.3"
+        "split": "~0.3"
       }
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     "pkginfo": {
@@ -399,6 +417,29 @@
       "resolved": "https://registry.npmjs.org/pkginfo/-/pkginfo-0.2.3.tgz",
       "integrity": "sha1-cjnEKl72wwuPMoQ52bn/cQQkkPg="
     },
+    "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=="
+    },
+    "postgres-bytea": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/postgres-bytea/-/postgres-bytea-1.0.0.tgz",
+      "integrity": "sha1-AntTPAqokOJtFy1Hz5zOzFIazTU="
+    },
+    "postgres-date": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/postgres-date/-/postgres-date-1.0.4.tgz",
+      "integrity": "sha512-bESRvKVuTrjoBluEcpv2346+6kgB7UlnqWZsnbnCccTNq/pqfj1j6oBaN5+b/NrDXepYUT/HKadqv3iS9lJuVA=="
+    },
+    "postgres-interval": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/postgres-interval/-/postgres-interval-1.2.0.tgz",
+      "integrity": "sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ==",
+      "requires": {
+        "xtend": "^4.0.0"
+      }
+    },
     "process-nextick-args": {
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-1.0.7.tgz",
@@ -448,7 +489,7 @@
       "resolved": "https://registry.npmjs.org/split/-/split-0.3.3.tgz",
       "integrity": "sha1-zQ7qXmOiEd//frDwkcQTPi0N0o8=",
       "requires": {
-        "through": "2.3.8"
+        "through": "2"
       }
     },
     "st": {
@@ -543,6 +584,11 @@
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
+    },
+    "xtend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ=="
     }
   }
 }
diff --git a/package.json b/package.json
index 9453b1e..1c31c3e 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "redis": "0.8.1",
     "uglify-js": "3.1.6",
     "busboy": "0.2.4",
-    "pg": "4.1.1"
+    "pg": "4.5.7"
   },
   "devDependencies": {
     "mocha": "^4.0.1"