diff --git a/charts/prometheus/Chart.yaml b/charts/prometheus/Chart.yaml
index 2fba6d39c36b..0f53db81c42c 100644
--- a/charts/prometheus/Chart.yaml
+++ b/charts/prometheus/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 name: prometheus
 appVersion: v2.52.0
-version: 25.21.0
+version: 25.21.1
 kubeVersion: ">=1.19.0-0"
 description: Prometheus is a monitoring system and time series database.
 home: https://prometheus.io/
diff --git a/charts/prometheus/values.schema.json b/charts/prometheus/values.schema.json
index 8a5cd3bbd695..b2d8af26c377 100644
--- a/charts/prometheus/values.schema.json
+++ b/charts/prometheus/values.schema.json
@@ -271,6 +271,9 @@
                 "extraVolumes": {
                     "type": "array"
                 },
+                "fullnameOverride": {
+                    "type": "string"
+                },
                 "global": {
                     "type": "object",
                     "properties": {
diff --git a/charts/prometheus/values.yaml b/charts/prometheus/values.yaml
index ea21e4532807..7570524e0b4b 100644
--- a/charts/prometheus/values.yaml
+++ b/charts/prometheus/values.yaml
@@ -323,6 +323,9 @@ server:
   ## Extra labels for Prometheus server ConfigMap (ConfigMap that holds serverFiles)
   extraConfigmapLabels: {}
 
+  ## Override the prometheus.server.fullname for all objects related to the Prometheus server
+  fullnameOverride: ""
+
   ingress:
     ## If true, Prometheus server Ingress will be created
     ##