diff --git a/charts/mc-router/Chart.yaml b/charts/mc-router/Chart.yaml
index 2345034..8828aea 100644
--- a/charts/mc-router/Chart.yaml
+++ b/charts/mc-router/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v1
 name: mc-router
-version: 1.2.5
+version: 1.2.6
 appVersion: 1.20.0
 home: https://github.com/itzg/mc-router
 description: Routes Minecraft client connections to backend servers based upon the requested server address.
diff --git a/charts/mc-router/values.schema.json b/charts/mc-router/values.schema.json
index ddb71c1..34bac7a 100644
--- a/charts/mc-router/values.schema.json
+++ b/charts/mc-router/values.schema.json
@@ -142,7 +142,7 @@
             "backend": {
               "type": "string",
               "title": "Backend to use for metrics exposure/publishing",
-              "enum": ["discard", "expvar", "influxdb"]
+              "enum": ["discard", "expvar", "influxdb", "prometheus"]
             }
           },
           "if": {