diff --git a/.travis.yml b/.travis.yml
index 9438cecf..57a6b85a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,38 +1,41 @@
 language: python
 sudo: false
 env:
   global: TEST_RUNNER=unittest PYTHONHASHSEED=random
 matrix:
   include:
     - python: "2.7"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
     - python: "pypy"
       env: TEST_REQUIRE="fastimport"
     - python: "3.4"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
     - python: "3.5"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
     - python: "3.6"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
     - python: "3.5-dev"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
     - python: "3.6"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
     - python: "3.6-dev"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
     - python: "3.7-dev"
       env: TEST_REQUIRE="gevent greenlet geventhttpclient fastimport"
 cache:
   directories:
     - $HOME/.cache/pip
 script:
   - pip install pip --upgrade
   - pip install $TEST_REQUIRE
+  - pip install coverage codecov
 
   # Test without c extensions
-  - python -m $TEST_RUNNER dulwich.tests.test_suite
+  - python -m coverage run -p -m $TEST_RUNNER dulwich.tests.test_suite
 
   # Test with c extensions
   - python setup.py build_ext -i
-  - python -m $TEST_RUNNER dulwich.tests.test_suite
-
+  - python -m coverage run -p -m $TEST_RUNNER dulwich.tests.test_suite
+after_success:
+  - python -m coverage combine
+  - codecov