diff --git a/.travis.yml b/.travis.yml
index 7548abd3..ef886bf8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ python:
   - "3.5"
 
 addons:
+  postgresql: "9.6"
   apt:
     sources:
       - pov-wkhtmltopdf