Allow parallel testing
diff --git a/.travis.yml b/.travis.yml
index 7a77247..c9a0203 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,7 +25,7 @@
   - make test | tail
 
 script:
-  - test ! -e .kitchen.yml || bundle exec kitchen test -t tests/integration
+  - test ! -e .kitchen.yml || bundle exec kitchen test -t tests/integration -c
 
 notifications:
   webhooks: