diff --git a/tox.ini b/tox.ini
index 702b3744..64e365bd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,10 +3,17 @@ envlist = py35, py36, py37, lint
 
 [testenv]
 commands =
-    py.test sqlalchemy_utils tests
+    py.test sqlalchemy_utils --cov=sqlalchemy_utils --cov-report=xml tests
 deps =
     .[test_all]
-passenv = SQLALCHEMY_UTILS_TEST_DB SQLALCHEMY_UTILS_TEST_POSTGRESQL_USER SQLALCHEMY_UTILS_TEST_MYSQL_USER
+    pytest-cov
+passenv =
+    SQLALCHEMY_UTILS_TEST_DB
+    SQLALCHEMY_UTILS_TEST_POSTGRESQL_USER
+    SQLALCHEMY_UTILS_TEST_MYSQL_USER
+    CI
+    TRAVIS
+    TRAVIS_*    
 
 [testenv:py35]
 recreate = True