diff --git a/.travis.yml b/.travis.yml
index a4faeaee..921cf083 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,8 @@ python:
   - "2.7"
 # command to install dependencies, e.g. pip install -r requirements.txt --use-mirrors
 install: 
-  - pip install scipy>=0.10.1
-  - pip install numpy>=1.6.2
+  - pip install "scipy>=0.10.1"
+  - pip install "numpy>=1.6.2"
   - pip install sphinx
   - pip install . --use-mirrors
 # command to run tests, e.g. python setup.py test