diff --git a/.travis.yml b/.travis.yml
index fd341fbf3..093e8e977 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,9 +4,12 @@ python:
   - "2.6"
 before_install:
   - sh -c set
-install: true
+install:
+  - pip install 'coveralls==0.4.2'
 before_script: python misc/build_helpers/show-tool-versions.py
-script: python setup.py test --reporter=timing
+script: coverage run --branch --source=allmydata setup.py test --reporter=timing
+after_success:
+  coveralls
 notifications:
   email: false
   irc: