diff --git a/.travis.yml b/.travis.yml
index 7aa6107..fb9f642 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,8 +5,11 @@ matrix:
     - python: 3.6
       sudo: true
 
+services:
+  - postgresql
+
 addons:
-  - postgresql: "11"
+  postgresql: "9.4"
 
 env:
   - DJANGO=2.1 DB=postgres