diff --git a/.travis.yml b/.travis.yml
index fdd753292..1b862e78b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ sudo: false
 cache: pip
 
 addons:
-  postgresql: "9.2" # minimal postgresql version for the daterange method
+  postgresql: "9.6"
   apt:
     packages:
       - expect-dev  # provides unbuffer utility