diff --git a/.travis.yml b/.travis.yml
index 54d008b..65e7b8a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,9 @@ matrix:
       python: "3.6"
       env: TOXENV=pep8
 
+addons:
+    postgresql: "9.6"
+
 install:
     - pip install tox
     - if [ "$TOXENV" = 'py36' ]; then pip install coveralls; fi