diff --git a/.travis.yml b/.travis.yml
index b8ffa4c..3a08ff6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ python:
 
 install:
   - "pip install -r requirements.txt"
+  - "pip install -r requirements.dev.txt"
 
 script:
   - nosetests --with-coverage --cover-package=stegano