diff --git a/.travis.yml b/.travis.yml
index 4d4f8acacd..30fd684ae9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: python
 python:
+  - 2.6
   - 2.7
 # Setup anaconda
 before_install:
@@ -23,7 +24,9 @@ before_install:
 
 # Install packages
 install:
-  - conda install --yes pip python=$TRAVIS_PYTHON_VERSION numpy scipy nose traits networkx dateutil
+  - conda create -n testenv --yes pip python=$TRAVIS_PYTHON_VERSION
+  - source activate testenv
+  - conda install --yes numpy scipy nose traits networkx dateutil
   - pip install nibabel --use-mirrors
   - pip install python-coveralls --use-mirrors
   - pip install nose-cov --use-mirrors
diff --git a/requirements.txt b/requirements.txt
index 5b402b1d21..060bcd7a1c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ networkx>=1.0
 traits>=4.0
 dateutil>=1.5
 nibabel>=1.0
-
+nose>=1.0