diff --git a/.travis.yml b/.travis.yml
index 2a27f7a..ee610f2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,4 +5,5 @@ python:
   - "pypy"
 install:
   - "pip install ."
+  - "pip install -r requirements.txt"
 script: "python tests.py -v"