diff --git a/.travis.yml b/.travis.yml
index 1ca8854ba..339f5c692 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,7 +20,8 @@ addons:
       - git
       - libcurl4-openssl-dev
       - unzip
-
+      - python-numpy
+      
 before_install:
   - git clone https://github.com/dmlc/dmlc-core
   - export TRAVIS=dmlc-core/scripts/travis/