diff --git a/.travis.yml b/.travis.yml
index 637fea97..58bcb62e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,6 +20,7 @@ install:
   - source activate testenv
   - conda install --yes -c https://conda.binstar.org/Quantopian numpy=$NUMPY_VERSION pandas=$PANDAS_VERSION scipy matplotlib Cython patsy statsmodels tornado pyparsing xlrd mock pytz requests six dateutil ta-lib logbook
   - grep cyordereddict== etc/requirements.txt | xargs pip install
+  - grep contextlib2== etc/requirements.txt | xargs pip install
   - grep pyflakes== etc/requirements_dev.txt | xargs pip install
   - grep pep8== etc/requirements_dev.txt | xargs pip install
   - grep mccabe== etc/requirements_dev.txt | xargs pip install