diff --git a/.travis.yml b/.travis.yml
index e131779..197dc32 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,9 @@ python:
 install:
   # - pip install octadist
   # - pip install -i https://test.pypi.org/simple/ octadist
+  - pip install numpy
+  - pip install scipy
+  - pip install matplotlib
   - pip install --index-url https://test.pypi.org/simple/ octadist==2.5.2.2
 
 script: