Try pg96

vgarvardt · vgarvardt · commit 20b4e89ccdfb · 2019-02-20T13:46:26.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -11,7 +11,7 @@ services:
   - postgresql
 
 addons:
-  postgresql: "10"
+  postgresql: "9.6"
 
 env:
   global:
