diff --git a/.travis.yml b/.travis.yml
index 15f65d0..9ae490f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ python:
 - 3.5
 sudo: required
 dist: xenial
-install: pip install -U tox-travis
+install: pip install -U tox-travis coveralls
 script: tox
 after_success:
   - coveralls