diff --git a/.gitignore b/.gitignore
index f20c3b9..78df454 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 node_modules/
 .idea
 coverage
+yarn.lock
diff --git a/.npmignore b/.npmignore
new file mode 100644
index 0000000..0831cb4
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1,6 @@
+.editorconfig
+.jshintrc
+.travis.yml
+example
+img
+test
diff --git a/.travis.yml b/.travis.yml
index e1b4ac1..1c4ab31 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
 language: node_js
 node_js:
-  - '0.8'
-  - '0.10'
\ No newline at end of file
+  - '4'
+  - '6'
diff --git a/example/index.js b/example/index.js
index 14202b1..51018cf 100644
--- a/example/index.js
+++ b/example/index.js
@@ -4,9 +4,7 @@ var express = require('express');
 var app = express();
 var http = require('http');
 
-app.configure(function () {
-    app.set('port', process.env.PORT || 3000);
-});
+app.set('port', process.env.PORT || 3000);
 
 app.get('/', function () {
     throw new Error('Bang! Bang!');
diff --git a/lib/expressError.js b/lib/expressError.js
index be854ac..8745120 100644
--- a/lib/expressError.js
+++ b/lib/expressError.js
@@ -1,7 +1,7 @@
 'use strict';
 
 var parsetrace = require('parsetrace'),
-    jade = require('jade'),
+    jade = require('pug'),
     path = require('path');
 
 module.exports = function (options) {
diff --git a/package.json b/package.json
index 1725547..4d3d3b2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "express-error-with-sources",
-  "version": "1.4.0",
+  "version": "1.4.1",
   "description": "Display source code in express' error stack for JavaScript",
   "keywords": [
     "express3",
@@ -15,17 +15,17 @@
   "author": "Vsevolod Strukchinsky <floatdrop@gmail.com>",
   "license": "MIT",
   "dependencies": {
-    "jade": "~1.0.2",
-    "parsetrace": "~0.1.4"
+    "parsetrace": "^0.1.5",
+    "pug": "^2.0.0-beta6"
   },
   "devDependencies": {
-    "express": "~3.2.4",
-    "mocha": "~1.15.1",
-    "proxyquire": "~0.5.1",
-    "sinon": "~1.7.3",
-    "coveralls": "~2.6.0",
-    "mocha-lcov-reporter": "0.0.1",
-    "istanbul": "~0.1.44",
-    "supertest": "~0.8.2"
+    "coveralls": "^2.11.14",
+    "express": "^4.14.0",
+    "istanbul": "^0.4.5",
+    "mocha": "^3.1.2",
+    "mocha-lcov-reporter": "^1.2.0",
+    "proxyquire": "^1.7.10",
+    "sinon": "^1.17.6",
+    "supertest": "^2.0.1"
   }
 }