diff --git a/.eslintignore b/.eslintignore
new file mode 100644
index 0000000..d9807d3
--- /dev/null
+++ b/.eslintignore
@@ -0,0 +1,16 @@
+# unconventional js
+/blueprints/*/files/
+/vendor/
+
+# compiled output
+/dist/
+/tmp/
+
+# dependencies
+/bower_components/
+
+# misc
+/coverage/
+
+# ember-try
+/.node_modules.ember-try/
diff --git a/.eslintrc.js b/.eslintrc.js
index 466bbee..b956de0 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -23,6 +23,7 @@ module.exports = {
         'ember-cli-build.js',
         'index.js',
         'testem.js',
+        'blueprints/*/index.js',
         'config/**/*.js',
         'tests/dummy/config/**/*.js'
       ],
diff --git a/.gitignore b/.gitignore
index 8fa39a6..29c9bc6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,23 +1,23 @@
 # See https://help.github.com/ignore-files/ for more about ignoring files.
 
 # compiled output
-/dist
-/tmp
+/dist/
+/tmp/
 
 # dependencies
-/node_modules
-/bower_components
+/bower_components/
+/node_modules/
 
 # misc
 /.sass-cache
 /connect.lock
-/coverage/*
+/coverage/
 /libpeerconnection.log
-npm-debug.log*
-yarn-error.log
-testem.log
+/npm-debug.log*
+/testem.log
+/yarn-error.log
 
 # ember-try
-.node_modules.ember-try/
-bower.json.ember-try
-package.json.ember-try
+/.node_modules.ember-try/
+/bower.json.ember-try
+/package.json.ember-try
diff --git a/.npmignore b/.npmignore
index 135c7b1..f4a79da 100644
--- a/.npmignore
+++ b/.npmignore
@@ -14,6 +14,7 @@
 bower.json
 ember-cli-build.js
 testem.js
+yarn.lock
 
 # ember-try
 .node_modules.ember-try/
diff --git a/.travis.yml b/.travis.yml
index c9db7e0..c9e48c6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ language: node_js
 node_js:
   # we recommend testing addons with the same minimum supported node version as Ember CLI
   # so that your addon works for all apps
-  - "4"
+  - "6"
 
 sudo: false
 dist: trusty
diff --git a/package.json b/package.json
index ddeabc2..891f91b 100644
--- a/package.json
+++ b/package.json
@@ -5,19 +5,19 @@
   "keywords": [
     "ember-addon"
   ],
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/lblod/ember-rdfa-editor-plugin-generator.git"
+  },
   "license": "MIT",
   "author": "redpencil.io",
   "directories": {
     "doc": "doc",
     "test": "tests"
   },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/lblod/ember-rdfa-editor-plugin-generator.git"
-  },
   "scripts": {
     "build": "ember build",
-    "lint:js": "eslint ./*.js addon addon-test-support app config lib server test-support tests",
+    "lint:js": "eslint .",
     "start": "ember serve",
     "test": "ember test",
     "test:all": "ember try:each"
@@ -26,15 +26,15 @@
     "ember-cli-babel": "^6.6.0"
   },
   "devDependencies": {
-    "broccoli-asset-rev": "^2.4.5",
+    "broccoli-asset-rev": "^2.7.0",
     "ember-ajax": "^3.0.0",
-    "ember-cli": "~3.1.2",
+    "ember-cli": "~3.3.0",
     "ember-cli-dependency-checker": "^2.0.0",
     "ember-cli-eslint": "^4.2.1",
     "ember-cli-htmlbars": "^2.0.1",
     "ember-cli-htmlbars-inline-precompile": "^1.0.0",
     "ember-cli-inject-live-reload": "^1.4.1",
-    "ember-cli-qunit": "^4.1.1",
+    "ember-cli-qunit": "^4.3.2",
     "ember-cli-release": "^1.0.0-beta.2",
     "ember-cli-shims": "^1.2.0",
     "ember-cli-sri": "^2.1.0",
@@ -42,18 +42,19 @@
     "ember-cli-update": "^0.21.3",
     "ember-disable-prototype-extensions": "^1.1.2",
     "ember-export-application-global": "^2.0.0",
-    "ember-load-initializers": "^1.0.0",
+    "ember-load-initializers": "^1.1.0",
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-resolver": "^4.0.0",
-    "ember-source": "~3.1.0",
+    "ember-source": "~3.3.0",
     "ember-source-channel-url": "^1.0.1",
     "ember-try": "^0.2.23",
     "eslint-plugin-ember": "^5.0.0",
     "eslint-plugin-node": "^6.0.1",
-    "loader.js": "^4.2.3"
+    "loader.js": "^4.2.3",
+    "qunit-dom": "^0.6.2"
   },
   "engines": {
-    "node": "^4.5 || 6.* || >= 7.*"
+    "node": "6.* || 8.* || >= 10.*"
   },
   "ember-addon": {
     "configPath": "tests/dummy/config"
diff --git a/testem.js b/testem.js
index d1755a4..726d187 100644
--- a/testem.js
+++ b/testem.js
@@ -9,13 +9,14 @@ module.exports = {
   ],
   browser_args: {
     Chrome: {
-      mode: 'ci',
-      args: [
+      ci: [
         // --no-sandbox is needed when running Chrome inside a container
-        process.env.TRAVIS ? '--no-sandbox' : null,
-
-        '--disable-gpu',
+        process.env.CI ? '--no-sandbox' : null,
         '--headless',
+        '--disable-gpu',
+        '--disable-dev-shm-usage',
+        '--disable-software-rasterizer',
+        '--mute-audio',
         '--remote-debugging-port=0',
         '--window-size=1440,900'
       ].filter(Boolean)