diff --git a/package-lock.json b/package-lock.json
index 8873d5e6..fbb06009 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
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+          "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
+          "dev": true
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+          "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz",
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@@ -54,9 +69,9 @@
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-      "resolved": "https://registry.npmjs.org/array-uniq/-/array-uniq-1.0.3.tgz",
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-      "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y="
+      "version": "0.2.4",
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@@ -117,25 +124,25 @@
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         "url": "0.10.3",
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+          "version": "3.3.2",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
+          "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
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@@ -145,9 +152,9 @@
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+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
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@@ -191,9 +198,9 @@
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@@ -287,9 +287,9 @@
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@@ -324,44 +324,36 @@
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@@ -428,19 +420,13 @@
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@@ -476,6 +461,35 @@
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@@ -581,25 +601,32 @@
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@@ -1734,11 +1755,6 @@
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@@ -1770,9 +1786,9 @@
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@@ -1780,9 +1796,9 @@
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+      "resolved": "https://registry.npmjs.org/spdx-exceptions/-/spdx-exceptions-2.2.0.tgz",
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@@ -1796,9 +1812,9 @@
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+      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.5.tgz",
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@@ -1808,9 +1824,9 @@
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-      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.14.2.tgz",
-      "integrity": "sha1-xvxhZIo9nE52T9P8306hBeSSupg=",
+      "version": "1.16.1",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
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@@ -1823,6 +1839,11 @@
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+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/stealthy-require/-/stealthy-require-1.1.1.tgz",
+      "integrity": "sha1-NbCYdbT/SfJqd35QmzCQoyJr8ks="
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@@ -1833,6 +1854,26 @@
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+    "string.prototype.trimleft": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimleft/-/string.prototype.trimleft-2.1.0.tgz",
+      "integrity": "sha512-FJ6b7EgdKxxbDxc79cOlok6Afd++TTs5szo+zJTUyow3ycrRfJVE2pq3vcN53XexvKZu/DJMDfeI/qMiZTrjTw==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.3",
+        "function-bind": "^1.1.1"
+      }
+    },
+    "string.prototype.trimright": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimright/-/string.prototype.trimright-2.1.0.tgz",
+      "integrity": "sha512-fXZTSV55dNBwv16uw+hh5jkghxSnc5oHq+5K/gXgizHwAvMetdAJlHqqoFC1FSDVPYWLkAKl2cxpUT41sV7nSg==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.3",
+        "function-bind": "^1.1.1"
+      }
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       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
@@ -1840,6 +1881,14 @@
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+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
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+          "dev": true
+        }
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@@ -1941,11 +1990,19 @@
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-      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz",
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+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
+      "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
       "requires": {
+        "psl": "^1.1.24",
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+      },
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+        "punycode": {
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+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
+          "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
+        }
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@@ -1959,8 +2016,7 @@
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       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "optional": true
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
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@@ -1987,6 +2043,14 @@
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     },
+    "uri-js": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
+      "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
+      "requires": {
+        "punycode": "^2.1.0"
+      }
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       "resolved": "https://registry.npmjs.org/url/-/url-0.10.3.tgz",
@@ -2010,14 +2074,14 @@
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-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
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+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.3.tgz",
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-      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.3.tgz",
-      "integrity": "sha512-63ZOUnL4SIXj4L0NixR3L1lcjO38crAbgrTpl28t8jjrfuiOBL5Iygm+60qPs/KsZGzPNg6Smnc/oY16QTjF0g==",
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
+      "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
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diff --git a/package.json b/package.json
index af9afe88..64dead1c 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,8 @@
     "mime": "^1.4.1",
     "music-metadata": "^1.1.0",
     "node-static": "^0.7.9",
-    "request-promise": "~1.0.2",
+    "request": "^2.88.0",
+    "request-promise": "^4.2.4",
     "sonos-discovery": "https://github.com/jishi/node-sonos-discovery/archive/v1.7.3.tar.gz",
     "wav-file-info": "0.0.8"
   },
@@ -32,6 +33,7 @@
   "main": "lib/sonos-http-api.js",
   "license": "MIT",
   "devDependencies": {
+    "ajv": "^5.0.0",
     "eslint": "^4.8.0",
     "eslint-config-airbnb-base": "^12.0.1",
     "eslint-plugin-import": "^2.7.0"