diff --git a/.travis.yml b/.travis.yml
index afdd385..274733d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 # Travis configuration file using the build matrix feature
 # Read more under http://docs.travis-ci.com/user/build-configuration/
 # THIS SCRIPT IS SUPPOSED TO BE AN EXAMPLE. MODIFY IT ACCORDING TO YOUR NEEDS!
-#sudo: true
+sudo: true
 language: python
 python:
   - 2.7
@@ -32,7 +32,7 @@ before_install:
   - conda config --add channels https://conda.anaconda.org/omnia
   - conda config --add channels https://conda.anaconda.org/pbrod
   - source activate condaenv
-  # - sudo apt-get install gfortran
+  - sudo apt-get install gfortran
 # Install packages
 install:
   - conda install --yes python=$TRAVIS_PYTHON_VERSION numpy scipy pytest numdifftools matplotlib nose