diff --git a/kwollect/grafana/postgres_datasource.yaml b/kwollect/grafana/postgres_datasource.yaml
index bc435301616615a6073d8d38be2903a8801a630d..443b65dab0b1a3f5fad85d019537e96d1dcc972b 100644
--- a/kwollect/grafana/postgres_datasource.yaml
+++ b/kwollect/grafana/postgres_datasource.yaml
@@ -6,11 +6,10 @@ datasources:
     url: localhost:5432
     database: kwdb
     user: kwuser_ro
-    password: ro
+    secureJsonData:
+      password: ro
     jsonData:
       sslmode: "disable" # disable/require/verify-ca/verify-full
       maxOpenConns: 6         # Grafana v5.4+
-      maxIdleConns: 2         # Grafana v5.4+
-      connMaxLifetime: 14400  # Grafana v5.4+
-      postgresVersion: 11
+      postgresVersion: 1200
       timescaledb: true