diff --git a/.travis.yml b/.travis.yml
index 9bde213b3..a7632736e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,6 +30,7 @@ before_install:
 - sudo apt-get install python3
 - sudo apt-get install python3-pip
 - sudo apt-get install python3-setuptools
+- sudo pip3 install Cython Bottleneck
 # Pull Mongodb image to test
 - docker pull mongo:latest
 - docker run -d --net=host mongo:latest