diff --git a/.travis.yml b/.travis.yml
index 0a2df29..1f2f815 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,8 @@ python:
   - "3.5"
   - "3.6"
   - "3.7-dev"
-sudo: required
-services: postgresql
+addons:
+  postgresql: "9.5"
 before_script:
   - psql --version
   - createuser -U postgres dspacestatistics