Update .travis.yml

Jan-M · web-flow · commit cc166be59292 · 2021-03-16T11:57:52.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,7 +6,7 @@ jdk:
   - openjdk8
 
 addons:
-    postgresql: "9.6.10"
+    postgresql: "13"
 
 cache:
   directories:
