diff --git a/charts/kube-prometheus-stack/ci/03-non-defaults-values.yaml b/charts/kube-prometheus-stack/ci/03-non-defaults-values.yaml
index 541355ccdbcc..b1dfd1d599a2 100644
--- a/charts/kube-prometheus-stack/ci/03-non-defaults-values.yaml
+++ b/charts/kube-prometheus-stack/ci/03-non-defaults-values.yaml
@@ -6,3 +6,17 @@ defaultRules:
   additionalRuleGroupLabels:
     kubernetesSystem:
       key2: value2
+
+alertmanager:
+  alertmanagerSpec:
+    additionalConfig:
+      logFormat: json
+    additionalConfigString: |-
+      logLevel: {{ print "debug" | quote }}
+
+prometheus:
+  prometheusSpec:
+    additionalConfig:
+      logFormat: json
+    additionalConfigString: |-
+      logLevel: {{ print "debug" | quote }}
diff --git a/charts/kube-prometheus-stack/templates/alertmanager/alertmanager.yaml b/charts/kube-prometheus-stack/templates/alertmanager/alertmanager.yaml
index 7c2a298b3f75..52b49fc726e6 100644
--- a/charts/kube-prometheus-stack/templates/alertmanager/alertmanager.yaml
+++ b/charts/kube-prometheus-stack/templates/alertmanager/alertmanager.yaml
@@ -179,4 +179,10 @@ spec:
 {{- if .Values.alertmanager.alertmanagerSpec.minReadySeconds }}
   minReadySeconds: {{ .Values.alertmanager.alertmanagerSpec.minReadySeconds }}
 {{- end }}
+{{- with .Values.alertmanager.alertmanagerSpec.additionalConfig }}
+  {{- tpl (toYaml .) $ | nindent 2 }}
+{{- end }}
+{{- with .Values.alertmanager.alertmanagerSpec.additionalConfigString }}
+  {{- tpl . $ | nindent 2 }}
+{{- end }}
 {{- end }}
diff --git a/charts/kube-prometheus-stack/templates/prometheus/prometheus.yaml b/charts/kube-prometheus-stack/templates/prometheus/prometheus.yaml
index 8360d7db0e2d..2b63e552df23 100644
--- a/charts/kube-prometheus-stack/templates/prometheus/prometheus.yaml
+++ b/charts/kube-prometheus-stack/templates/prometheus/prometheus.yaml
@@ -450,4 +450,10 @@ spec:
   tracingConfig:
 {{ toYaml .Values.prometheus.prometheusSpec.tracingConfig | indent 4 }}
 {{- end }}
+{{- with .Values.prometheus.prometheusSpec.additionalConfig }}
+  {{- tpl (toYaml .) $ | nindent 2 }}
+{{- end }}
+{{- with .Values.prometheus.prometheusSpec.additionalConfigString }}
+  {{- tpl . $ | nindent 2 }}
+{{- end }}
 {{- end }}
diff --git a/charts/kube-prometheus-stack/values.yaml b/charts/kube-prometheus-stack/values.yaml
index e5805b502ee4..ae93f0f47370 100644
--- a/charts/kube-prometheus-stack/values.yaml
+++ b/charts/kube-prometheus-stack/values.yaml
@@ -876,6 +876,14 @@ alertmanager:
     ## be considered available. Defaults to 0 (pod will be considered available as soon as it is ready).
     minReadySeconds: 0
 
+    ## Additional configuration which is not covered by the properties above. (passed through tpl)
+    additionalConfig: {}
+
+    ## Additional configuration which is not covered by the properties above.
+    ## Useful, if you need advanced templating inside alertmanagerSpec.
+    ## Otherwise, use alertmanager.alertmanagerSpec.additionalConfig (passed through tpl)
+    additionalConfigString: ""
+
   ## ExtraSecret can be used to store various data in an extra secret
   ## (use it for example to store hashed basic auth credentials)
   extraSecret:
@@ -3567,6 +3575,14 @@ prometheus:
     ## See https://github.com/prometheus-operator/prometheus-operator/blob/main/Documentation/api.md#prometheustracingconfig
     tracingConfig: {}
 
+    ## Additional configuration which is not covered by the properties above. (passed through tpl)
+    additionalConfig: {}
+
+    ## Additional configuration which is not covered by the properties above.
+    ## Useful, if you need advanced templating inside alertmanagerSpec.
+    ## Otherwise, use prometheus.prometheusSpec.additionalConfig (passed through tpl)
+    additionalConfigString: ""
+
   additionalRulesForClusterRole: []
   #  - apiGroups: [ "" ]
   #    resources:
diff --git a/charts/prometheus-json-exporter/Chart.yaml b/charts/prometheus-json-exporter/Chart.yaml
index 0372c58d1d11..7de7dd23a45f 100644
--- a/charts/prometheus-json-exporter/Chart.yaml
+++ b/charts/prometheus-json-exporter/Chart.yaml
@@ -19,7 +19,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.7.3
+version: 0.8.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
diff --git a/charts/prometheus-json-exporter/README.md b/charts/prometheus-json-exporter/README.md
index c2348c432d0f..d688ece7eb37 100644
--- a/charts/prometheus-json-exporter/README.md
+++ b/charts/prometheus-json-exporter/README.md
@@ -1,4 +1,5 @@
 # prometheus-json-exporter
+
 Prometheus exporter for scraping JSON by JSONPath.
 
 This chart bootstraps a [json_exporter](https://github.com/prometheus-community/json_exporter) deployment on a [Kubernetes](http://kubernetes.io) cluster using the [Helm](https://helm.sh) package manager.
@@ -8,7 +9,7 @@ This chart bootstraps a [json_exporter](https://github.com/prometheus-community/
 - Kubernetes 1.10+ with Beta APIs enabled
 - Helm 3+
 
-## Get Repo Info
+## Get Repository Info
 
 ```console
 helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
@@ -16,7 +17,9 @@ helm repo add stable https://charts.helm.sh/stable
 helm repo update
 ```
 
+<!-- textlint-disable -->
 _See [helm repo](https://helm.sh/docs/helm/helm_repo/) for command documentation._
+<!-- textlint-enable -->
 
 ## Install Chart
 
@@ -24,6 +27,7 @@ _See [helm repo](https://helm.sh/docs/helm/helm_repo/) for command documentation
 # Helm
 $ helm install [RELEASE_NAME] prometheus-community/prometheus-json-exporter
 ```
+
 _See [configuration](## Configuring) below._
 
 _See [helm install](https://helm.sh/docs/helm/helm_install/) for command documentation._
@@ -46,6 +50,11 @@ _See [helm uninstall](https://helm.sh/docs/helm/helm_uninstall/) for command doc
 $ helm upgrade [RELEASE_NAME] [CHART] --install
 ```
 
+### From 0.7.x to 0.8.0
+
+This version fixes configmap name according to the chart standard so that configmap will be recreated with subsequent deployment rollout.
+See [#3926](https://github.com/prometheus-community/helm-charts/pull/3926) for more context.
+
 ## Configuring
 
 See [Customizing the Chart Before Installing](https://helm.sh/docs/intro/using_helm/#customizing-the-chart-before-installing). To see all configurable options with detailed comments, visit the chart's [values.yaml](./values.yaml), or run these configuration commands:
@@ -55,4 +64,4 @@ See [Customizing the Chart Before Installing](https://helm.sh/docs/intro/using_h
 $ helm show values prometheus-community/prometheus-json-exporter
 ```
 
-For more information please refer to the [json_exporter](https://github.com/prometheus-community/json_exporter) documentation.
\ No newline at end of file
+For more information please refer to the [json_exporter](https://github.com/prometheus-community/json_exporter) documentation.
diff --git a/charts/prometheus-json-exporter/templates/configmap.yaml b/charts/prometheus-json-exporter/templates/configmap.yaml
index afea5c17b40b..e68ccbb780e4 100644
--- a/charts/prometheus-json-exporter/templates/configmap.yaml
+++ b/charts/prometheus-json-exporter/templates/configmap.yaml
@@ -1,7 +1,7 @@
 apiVersion: v1
 kind: ConfigMap
 metadata:
-  name: {{ .Release.Name }}-configmap
+  name: {{ include "prometheus-json-exporter.fullname" . }}
 data:
   allow-snippet-annotations: "false"
   config.yml: |
diff --git a/charts/prometheus-json-exporter/templates/deployment.yaml b/charts/prometheus-json-exporter/templates/deployment.yaml
index 3069dbf5e9a7..b2d149cb6b0b 100644
--- a/charts/prometheus-json-exporter/templates/deployment.yaml
+++ b/charts/prometheus-json-exporter/templates/deployment.yaml
@@ -69,7 +69,7 @@ spec:
       volumes:
       - name: config-configmap-volume
         configMap:
-          name: {{ .Release.Name }}-configmap
+          name: {{ include "prometheus-json-exporter.fullname" . }}
           items:
             - key: config.yml
               path: config.yml
diff --git a/charts/prometheus/Chart.yaml b/charts/prometheus/Chart.yaml
index 72f5413a0141..e006811d6978 100644
--- a/charts/prometheus/Chart.yaml
+++ b/charts/prometheus/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 name: prometheus
 appVersion: v2.47.0
-version: 25.1.0
+version: 25.2.0
 kubeVersion: ">=1.19.0-0"
 description: Prometheus is a monitoring system and time series database.
 home: https://prometheus.io/
diff --git a/charts/prometheus/templates/serviceaccount.yaml b/charts/prometheus/templates/serviceaccount.yaml
index 273aa7eed118..cf1503451a6d 100644
--- a/charts/prometheus/templates/serviceaccount.yaml
+++ b/charts/prometheus/templates/serviceaccount.yaml
@@ -8,4 +8,7 @@ metadata:
   namespace: {{ include "prometheus.namespace" . }}
   annotations:
 {{ toYaml .Values.serviceAccounts.server.annotations | indent 4 }}
+{{- if .Values.serviceAccounts.server.automountServiceAccountToken }}
+automountServiceAccountToken: {{ .Values.serviceAccounts.server.automountServiceAccountToken }}
+{{- end }}
 {{- end }}
diff --git a/charts/prometheus/values.schema.json b/charts/prometheus/values.schema.json
index f904812298bd..0b09912abb09 100644
--- a/charts/prometheus/values.schema.json
+++ b/charts/prometheus/values.schema.json
@@ -711,6 +711,9 @@
                         },
                         "name": {
                             "type": "string"
+                        },
+                        "automountServiceAccountToken": {
+                            "type": "boolean"
                         }
                     }
                 }
diff --git a/charts/prometheus/values.yaml b/charts/prometheus/values.yaml
index b47ec9921c36..ff71bdfe1887 100644
--- a/charts/prometheus/values.yaml
+++ b/charts/prometheus/values.yaml
@@ -14,6 +14,7 @@ serviceAccounts:
     create: true
     name: ""
     annotations: {}
+    # automountServiceAccountToken:
 
 ## Monitors ConfigMap changes and POSTs to a URL
 ## Ref: https://github.com/prometheus-operator/prometheus-operator/tree/main/cmd/prometheus-config-reloader