diff --git a/.travis.yml b/.travis.yml
index 9c352b02..76eb1985 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,9 +10,12 @@ env:
   - TOX_ENV=pep8
 
 install:
-  - "pip install tox"
+  - pip install tox coveralls
 
 script:
   - NOSE_VERBOSE=0 tox -e $TOX_ENV
 
+after_success:
+  - coveralls
+
 sudo: false
diff --git a/tox.ini b/tox.ini
index f927e652..321b7062 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,7 +9,7 @@ deps = -U
 usedevelop = True
 passenv= NOSE_VERBOSE
 commands =
-  python ryu/tests/run_tests.py '{posargs}'
+  coverage run --source=ryu ryu/tests/run_tests.py '{posargs}'
 
 [testenv:pep8]
 commands =