diff --git a/README.md b/README.md
index 71b3673..a790968 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+## This repository is not actively maintained. 
+
 ### Nexe
 
 Nexe is a command-line utility that compiles your Node.js application into a single executable file.
@@ -61,7 +63,8 @@ var nexe = require('nexe');
 nexe.compile({
 	input: 'input.js',
 	output: 'path/to/bin',
-	runtime: '0.8.15',
+	nodeVersion: '0.8.15',
+	nodeTempDir: __dirname
 	flags: true
 }, function(err) {
 	
diff --git a/bin/nexe b/bin/nexe
index 4b73d05..65ed643 100755
--- a/bin/nexe
+++ b/bin/nexe
@@ -2,7 +2,7 @@
 
 var path = require('path');
 
-var cli = require('optimist').
+var cli = require('yargs').
 usage('Usage: $0 -i [sources] -o [binary]').
 options('i', {
 	demand: true,
diff --git a/lib/exe.js b/lib/exe.js
index d0b3a2c..17c519b 100644
--- a/lib/exe.js
+++ b/lib/exe.js
@@ -54,6 +54,8 @@ exports.compile = function (options, complete) {
 			bundlePath = path.join(nodeCompiler.dir, "lib", "nexe.js");
 			_log("bundle -> %s", bundlePath);
 
+			//Remove all non-ascii code from sources
+			source = source.replace(/[^\x00-\x7F]/g, "");
 			// same path as all the other JS files
 			fs.writeFile(bundlePath, source, next);
 		},
diff --git a/package.json b/package.json
index 8216b37..4ae23a3 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,6 @@
     "mkdirp": "~0.3.5",
     "module-deps": "^3.5.4",
     "ncp": "~0.2.7",
-    "optimist": "~0.3.7",
     "outcome": "0.0.18",
     "progress": "~1.1.3",
     "request": "~2.12.0",
@@ -24,7 +23,8 @@
     "step": "0.0.x",
     "tar.gz": "0.1.1",
     "through": "^2.3.4",
-    "uglify-js": "^2.4.15"
+    "uglify-js": "^2.4.15",
+    "yargs": "~1.3.1"
   },
   "preferGlobal": "true",
   "bin": {