diff --git a/.travis.yml b/.travis.yml
index ad1e072a..7dead753 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -58,7 +58,7 @@ before_install:
 install:
   - conda install --yes python=$PYTHON_VERSION numpy=1.9 scipy=0.16 nose pip six;
   - python -V
-  - pip install --upgrade .
+  - python setup.py develop
 
 before_script:
   - cd $HOME