diff --git a/.travis.yml b/.travis.yml
index 344c3d5c3..59517cf45 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,5 +6,5 @@ python:
   - "3.3"
   - "3.4"
   - "3.5"
-install: "pip install pytest"
-script: py.test --doctest-modules
\ No newline at end of file
+install: "pip install pytest pytest-cov"
+script: py.test --doctest-modules --cov ./
\ No newline at end of file