diff --git a/.travis.yml b/.travis.yml
index 09e9e6a16..d5d248513 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -35,6 +35,7 @@ before_install:
 install:
   - pip install -U pip==9.0.3
   - pip install -r requirements.txt
+  - pip install -r requirements_testing.txt
   - pip install .
 
 script: