diff --git a/.travis.yml b/.travis.yml
index d44af93..578baac 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,4 +7,7 @@ install:
  - composer install
 
 script:
- - vendor/bin/phpunit --bootstrap vendor/autoload.php tests
+ - vendor/bin/phpunit --coverage-clover=coverage.xml --whitelist src --bootstrap vendor/autoload.php tests
+
+after_success:
+ - bash <(curl -s https://codecov.io/bash)
diff --git a/composer.json b/composer.json
index caec358..6062c5e 100644
--- a/composer.json
+++ b/composer.json
@@ -42,6 +42,7 @@
         }
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.5"
+        "phpunit/phpunit": "^5.5",
+        "phpunit/php-code-coverage": "^4.0"
     }
 }