diff --git a/.travis.yml b/.travis.yml
index 709f32b..2ae0fe4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,7 @@ addons:
       - libdb-dev
       - libpq-dev
       - libxml2-dev
-  postgresql: "11"
+  postgresql: "9.4"
 before_script:
   - cp .travis.travelynx.conf travelynx.conf
   - psql -c 'create database travelynx_ci_test;' -U postgres