diff --git a/.travis.yml b/.travis.yml
index c4078936..7402b8f4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,6 @@
 language: python
+python:
+    - "2.7"
 
 cache: apt
 addons:
@@ -13,13 +15,15 @@ branches:
   only:
     - develop2
 
-python:
-  - "2.7"
-
 # command to install dependencies
+before_install:
+    - pip install --upgrade pip setuptools wheel
+    - pip install numpy --only-binary=numpy
+    - pip install scipy --only-binary=scipy
+
 install:
-    travis_wait pip install -r requirements.txt;
-    pip install flake8
+    - pip install -r requirements.txt
+    - pip install flake8
 
 before_script:
     flake8 .