diff --git a/.travis.yml b/.travis.yml
index fd243ee36..0c5da3ccc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,19 +11,22 @@ before_install:
 install:
   # nose is already installed
   - pip install unittest2
-  - pip install cython 
+  - pip install cython
   - sudo apt-get install python-numpy
   - sudo apt-get install swig
   # Test against the current master of traits, traitsui and enable
   - pip install git+http://github.com/enthought/traits.git#egg=traits
   - pip install git+http://github.com/enthought/traitsui.git#egg=traitsui
+  # New version of pip does not install packages that are external to the pypi repositories. Since PIL is external and enable needs PIL, 
+  # to install we have to tell pip to specifically allow PIL to be installed.
+  - pip install PIL --allow-external PIL --allow-unverified PIL
   - pip install git+http://github.com/enthought/enable.git#egg=enable
   - python setup.py develop
-script: 
+script:
   # Running all tests in chaco/tests and chaco/tests2
   - if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then nosetests -v chaco; fi
   # FIXME: tricky to install PyQt for version <= 2.6, only running chaco/tests
   - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then nosetests -v chaco/tests; fi
 notifications:
   email:
-    - travis-ci@enthought.com
\ No newline at end of file
+    - travis-ci@enthought.com