diff --git a/.travis.yml b/.travis.yml
index 7d82d601..bdff956a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,14 @@
 language: python
-python:
-  - "2.7"
-  - "3.3"
-env:
-  - PANDAS_VERSION=0.15.2
-  - PANDAS_VERSION=0.12.0
+matrix:
+  include:
+  - python: 2.7
+    env:
+      - PANDAS_VERSION=0.12.0
+      - NUMPY_VERSION=1.7.0
+  - python: 3.3
+    env:
+      - PANDAS_VERSION=0.15.2
+      - NUMPY_VERSION=1.9.0
 before_install:
   - if [ ${TRAVIS_PYTHON_VERSION:0:1} == "2" ]; then wget http://repo.continuum.io/miniconda/Miniconda-3.7.0-Linux-x86_64.sh -O miniconda.sh; else wget http://repo.continuum.io/miniconda/Miniconda3-3.7.0-Linux-x86_64.sh -O miniconda.sh; fi
   - chmod +x miniconda.sh
@@ -14,7 +18,7 @@ before_install:
 install:
   - conda create -n testenv --yes pip python=$TRAVIS_PYTHON_VERSION
   - source activate testenv
-  - conda install --yes -c https://conda.binstar.org/twiecki numpy=1.9.0 scipy nose matplotlib pandas=$PANDAS_VERSION Cython patsy statsmodels tornado pyparsing xlrd mock pytz requests six dateutil ta-lib logbook
+  - conda install --yes -c https://conda.binstar.org/twiecki numpy=$NUMPY_VERSION scipy nose matplotlib pandas=$PANDAS_VERSION Cython patsy statsmodels tornado pyparsing xlrd mock pytz requests six dateutil ta-lib logbook
   - 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