diff --git a/README.md b/README.md
index e7d13d0..41449de 100644
--- a/README.md
+++ b/README.md
@@ -20,9 +20,12 @@ Install [Node.js](http://nodejs.org/) and [MongoDB](http://www.mongodb.org/).
 Refer to their corresponding documentation for installation instructions. The
 supported versions are:
 
-- Node.js: 6.x and 7.x (7.x recommended)
+- Node.js: 6.x and 8.x (8.x recommended)
 - MongoDB: 2.6 through 3.4
 
+Install build tools and libxml2 development files from your system's package
+manager.
+
 Then install GenieACS using NPM:
 
     npm install -g genieacs
@@ -35,6 +38,9 @@ Alternatively, you can install from source by cloning the git repository:
     npm install
     npm run compile
 
+Before proceeding, find and review the file "config.json" in "config" directory
+where GenieACS is downloaded.
+
 Finally, run the following (from bin directory if installing from source):
 
     genieacs-cwmp
diff --git a/lib/cluster.js b/lib/cluster.js
index c7dd8b4..b5e7e8a 100644
--- a/lib/cluster.js
+++ b/lib/cluster.js
@@ -27,7 +27,7 @@ const VERSION = require("../package.json").version;
 function getDependencyVersions() {
   let dependencies = [`node@${process.versions.node}`];
   try {
-    let npmls = JSON.parse(require("child_process").execSync("npm ls --prod --json"));
+    let npmls = JSON.parse(require("child_process").execSync("npm ls --prod --json --depth 0"));
 
     for (let k in npmls.dependencies)
       dependencies.push(`${k}@${npmls.dependencies[k].version}`);
diff --git a/package.json b/package.json
index 77037bc..60a80f1 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "coffeescript": "^1.12.4"
   },
   "engines": {
-    "node": ">=6.9.2 <8.0"
+    "node": ">=6.9.2 <9.0"
   },
   "scripts": {
     "prepublish": "npm run compile",