diff --git a/lib/DiscoveryStrategy/Nupnp.js b/lib/DiscoveryStrategy/Nupnp.js
index c46138b..a33e9e4 100644
--- a/lib/DiscoveryStrategy/Nupnp.js
+++ b/lib/DiscoveryStrategy/Nupnp.js
@@ -3,7 +3,7 @@
 let axios = require('axios');
 let Error = require('../Error');
 
-const PHILIPS_NUPNP_URL = 'https://www.meethue.com/api/nupnp';
+const PHILIPS_NUPNP_URL = 'https://discovery.meethue.com/';
 
 /**
  * Nupnp discovery strategy
diff --git a/lib/DiscoveryStrategy/Upnp.js b/lib/DiscoveryStrategy/Upnp.js
index 05b1ea5..39aed4c 100644
--- a/lib/DiscoveryStrategy/Upnp.js
+++ b/lib/DiscoveryStrategy/Upnp.js
@@ -59,7 +59,7 @@ class Upnp {
    * Use SSDP discovery broadcast
    */
   broadcast() {
-    let query = new Buffer(
+    let query = Buffer.from(
       [
         'M-SEARCH * HTTP/1.1',
         `HOST: ${SSDP_ADDRESS}:${SSDP_PORT}`,
diff --git a/package.json b/package.json
index aeee590..e2dfd85 100644
--- a/package.json
+++ b/package.json
@@ -23,15 +23,15 @@
     "test": "mocha"
   },
   "dependencies": {
-    "moment": "^2.22.2",
+    "moment": "^2.24.0",
     "axios": "^0.18.0",
-    "sprintf-js": "^1.1.1"
+    "sprintf-js": "^1.1.2"
   },
   "devDependencies": {
-    "mocha": "^5.2.0",
-    "chai": "^4.1.2",
+    "mocha": "^6.1.4",
+    "chai": "^4.2.0",
     "chai-as-promised": "^7.1.1",
-    "sinon": "^6.3.3",
+    "sinon": "^7.3.2",
     "mockery": "^2.1.0"
   }
 }