diff --git a/.travis.yml b/.travis.yml
index 875835a..dce83af 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,6 +32,7 @@
   - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2017.7 SUITE=system
   - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 SUITE=network
   - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 SUITE=system
+  - PLATFORM=epcim/salt:saltstack-ubuntu-xenial-salt-2018.3 SUITE=duo
   # - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2017.7 SUITE=network
   # - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2017.7 SUITE=system
   # - PLATFORM=epcim/salt:saltstack-ubuntu-bionic-salt-2018.3 SUITE=network