diff --git a/helm/superset/Chart.yaml b/helm/superset/Chart.yaml
index 7424f43b1ac21..175c7261b65b0 100644
--- a/helm/superset/Chart.yaml
+++ b/helm/superset/Chart.yaml
@@ -22,7 +22,7 @@ maintainers:
   - name: craig-rueda
     email: craig@craigrueda.com
     url: https://github.com/craig-rueda
-version: 0.5.5
+version: 0.5.6
 dependencies:
 - name: postgresql
   version: 10.2.0
diff --git a/helm/superset/values.schema.json b/helm/superset/values.schema.json
index 13e695c226456..55d175188b17a 100644
--- a/helm/superset/values.schema.json
+++ b/helm/superset/values.schema.json
@@ -1,7 +1,7 @@
 {
     "$schema": "http://json-schema.org/draft-04/schema#",
     "type": "object",
-    "additionalProperties": false,
+    "additionalProperties": true,
     "properties": {
         "replicaCount": {
             "type": "integer"