diff --git a/.travis.yml b/.travis.yml
index 95b952d9f..a418447dc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
-sudo: false
-#sudo: required
-#dist: trusty
+#sudo: false
+sudo: required
+dist: trusty
 
 language: python
 
@@ -19,6 +19,7 @@ addons:
       - python-vtk
 
 install:
+  - export PATH="/home/travis/bin:/home/travis/.local/bin:/home/travis/.gimme/versions/go1.5.1.linux.amd64/bin:/home/travis/.local/bin:/usr/local/rvm/gems/ruby-2.2.3/bin:/usr/local/rvm/gems/ruby-2.2.3@global/bin:/usr/local/rvm/rubies/ruby-2.2.3/bin:/home/travis/.phpenv/shims:/usr/local/phantomjs/bin:/usr/local/phantomjs:/home/travis/perl5/perlbrew/bin:/home/travis/.nvm/versions/node/v4.1.2/bin:./node_modules/.bin:/usr/local/maven-3.1.1/bin:/usr/local/gradle/bin:/usr/local/clang-3.5.0/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/home/travis/.phpenv/bin:/usr/local/rvm/bin"
   - pip install -r requirements.txt
   - pip install coveralls
   # Alternative: setup.py install.