diff --git a/charts/trino/README.md b/charts/trino/README.md
index f64e8aa3..55c1ca08 100644
--- a/charts/trino/README.md
+++ b/charts/trino/README.md
@@ -391,6 +391,7 @@ Fast distributed SQL query engine for big data analytics that helps you explore
      connector.name=memory
      memory.max-data-per-node=128MB
   ```
+  Supports templating with `tpl`.
 * `additionalCatalogs` - object, default: `{}`  
 
   Deprecated, use `catalogs` instead. Configure additional [catalogs](https://trino.io/docs/current/installation/deployment.html#catalog-properties).
diff --git a/charts/trino/templates/configmap-catalog.yaml b/charts/trino/templates/configmap-catalog.yaml
index 74ef1b16..2cffef06 100644
--- a/charts/trino/templates/configmap-catalog.yaml
+++ b/charts/trino/templates/configmap-catalog.yaml
@@ -8,7 +8,11 @@ metadata:
     {{- include "trino.labels" . | nindent 4 }}
     app.kubernetes.io/component: catalogs
 data:
-{{- $merged := merge .Values.catalogs .Values.additionalCatalogs }}
+{{- $templatedCatalogs := dict }}
+{{- range $catalogName, $catalogProperties := .Values.catalogs }}
+{{- $templatedCatalogs = set $templatedCatalogs $catalogName (tpl $catalogProperties $) }}
+{{- end }}
+{{- $merged := merge $templatedCatalogs .Values.additionalCatalogs }}
 {{- range $catalogName, $catalogProperties := $merged }}
   {{ $catalogName }}.properties: |
     {{- $catalogProperties | nindent 4 }}
diff --git a/charts/trino/values.yaml b/charts/trino/values.yaml
index bfeee0e4..7a2a6dd2 100644
--- a/charts/trino/values.yaml
+++ b/charts/trino/values.yaml
@@ -463,6 +463,7 @@ catalogs:
 #    connector.name=memory
 #    memory.max-data-per-node=128MB
 # ```
+# Supports templating with `tpl`.
 
 additionalCatalogs: {}
 # additionalCatalogs -- Deprecated, use `catalogs` instead. Configure additional