Raise minimum requirement to Postgis 9.6

.travis.yml

@@ -11,7 +11,6 @@ env:
     - POSTGIS_VERSION="2.5"
 
   matrix:
-    - POSTGRESQL_VERSION="9.5"
     - POSTGRESQL_VERSION="10"
     - POSTGRESQL_VERSION="11"
 
@@ -20,7 +19,6 @@ before_install:
   - sudo service postgresql stop;
   - sudo apt-get remove postgresql* -y
   - sudo apt-get install -y --allow-unauthenticated --no-install-recommends --no-install-suggests postgresql-$POSTGRESQL_VERSION postgresql-client-$POSTGRESQL_VERSION postgresql-server-dev-$POSTGRESQL_VERSION postgresql-common
-  - if [[ $POSTGRESQL_VERSION == '9.5' ]]; then sudo apt-get install -y postgresql-contrib-9.5; fi;
   - sudo apt-get install -y --allow-unauthenticated postgresql-$POSTGRESQL_VERSION-postgis-$POSTGIS_VERSION postgresql-$POSTGRESQL_VERSION-postgis-$POSTGIS_VERSION-scripts postgis postgresql-plpython-$POSTGRESQL_VERSION
   - sudo pg_dropcluster --stop $POSTGRESQL_VERSION main
   - sudo rm -rf /etc/postgresql/$POSTGRESQL_VERSION /var/lib/postgresql/$POSTGRESQL_VERSION

README.md

@@ -10,7 +10,7 @@ See [the cartodb-postgresql wiki](https://github.com/CartoDB/cartodb-postgresql/
 Dependencies
 ------------
 
- * PostgreSQL 9.4+ (with plpythonu extension and xml support)
+ * PostgreSQL 9.6+ (with plpythonu extension and xml support)
  * [PostGIS extension](http://postgis.net)
  * Python with [Redis module](https://pypi.org/project/redis/)
 

carto-package.json

@@ -2,8 +2,8 @@
     "name": "carto_postgresql_ext",
     "current_version": {
         "requires": {
-            "postgresql": ">=9.5.0",
-            "postgis": ">=2.2.0.0"
+            "postgresql": ">=10.0",
+            "postgis": ">=2.4.0.0"
         },
         "works_with": {
         }