diff --git a/defaults/main.yml b/defaults/main.yml
index aa5e03b..886ba96 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,12 +1,13 @@
 ---
 # defaults file for prometheus-postgres
 
-prometheus_postgres_version: 0.9.0
+prometheus_postgres_version: 0.15.0
 
 prometheus_postgres_dbname: postgres
 prometheus_postgres_data_source_name: "user=postgres dbname=\
   {{ prometheus_postgres_dbname }} host=/var/run/postgresql/ sslmode=disable"
 
+prometheus_postgres_address: 0.0.0.0
 prometheus_postgres_port: 9187
 
 prometheus_postgres_query_filenames:
diff --git a/templates/systemd-system-prometheus-postgres-exporter-service.j2 b/templates/systemd-system-prometheus-postgres-exporter-service.j2
index 2b555d4..4f243a9 100644
--- a/templates/systemd-system-prometheus-postgres-exporter-service.j2
+++ b/templates/systemd-system-prometheus-postgres-exporter-service.j2
@@ -6,7 +6,7 @@ User={{ prometheus_postgres_system_user }}
 Environment="DATA_SOURCE_NAME={{ prometheus_postgres_data_source_name }}"
 ExecStart=/opt/prometheus/postgres_exporter/postgres_exporter \
     --extend.query-path /etc/prometheus/postgres-queries.yml \
-    --web.listen-address :{{ prometheus_postgres_port }}
+    --web.listen-address {{ prometheus_postgres_address }}:{{ prometheus_postgres_port }}
 
 [Install]
 WantedBy=multi-user.target