diff --git a/stable/prometheus/Chart.yaml b/stable/prometheus/Chart.yaml
index b825d5f1f60c..1df6f1acb8de 100644
--- a/stable/prometheus/Chart.yaml
+++ b/stable/prometheus/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v1
 name: prometheus
-version: 11.11.1
-appVersion: 2.19.0
+version: 11.12.0
+appVersion: 2.20.1
 description: Prometheus is a monitoring system and time series database.
 home: https://prometheus.io/
 icon: https://raw.githubusercontent.com/prometheus/prometheus.github.io/master/assets/prometheus_logo-cb55bb5c346.png
diff --git a/stable/prometheus/README.md b/stable/prometheus/README.md
index c6d80402be24..c3c55fd3fb61 100644
--- a/stable/prometheus/README.md
+++ b/stable/prometheus/README.md
@@ -185,7 +185,7 @@ Parameter | Description | Default
 `configmapReload.prometheus.enabled` | If false, the configmap-reload container for Prometheus will not be deployed | `true`
 `configmapReload.prometheus.name` | configmap-reload container name | `configmap-reload`
 `configmapReload.prometheus.image.repository` | configmap-reload container image repository | `jimmidyson/configmap-reload`
-`configmapReload.prometheus.image.tag` | configmap-reload container image tag | `v0.3.0`
+`configmapReload.prometheus.image.tag` | configmap-reload container image tag | `v0.4.0`
 `configmapReload.prometheus.image.pullPolicy` | configmap-reload container image pull policy | `IfNotPresent`
 `configmapReload.prometheus.extraArgs` | Additional configmap-reload container arguments | `{}`
 `configmapReload.prometheus.extraVolumeDirs` | Additional configmap-reload volume directories | `{}`
@@ -194,7 +194,7 @@ Parameter | Description | Default
 `configmapReload.alertmanager.enabled` | If false, the configmap-reload container for AlertManager will not be deployed | `true`
 `configmapReload.alertmanager.name` | configmap-reload container name | `configmap-reload`
 `configmapReload.alertmanager.image.repository` | configmap-reload container image repository | `jimmidyson/configmap-reload`
-`configmapReload.alertmanager.image.tag` | configmap-reload container image tag | `v0.3.0`
+`configmapReload.alertmanager.image.tag` | configmap-reload container image tag | `v0.4.0`
 `configmapReload.alertmanager.image.pullPolicy` | configmap-reload container image pull policy | `IfNotPresent`
 `configmapReload.alertmanager.extraArgs` | Additional configmap-reload container arguments | `{}`
 `configmapReload.alertmanager.extraVolumeDirs` | Additional configmap-reload volume directories | `{}`
@@ -282,7 +282,7 @@ Parameter | Description | Default
 `server.enabled` | If false, Prometheus server will not be created | `true`
 `server.name` | Prometheus server container name | `server`
 `server.image.repository` | Prometheus server container image repository | `prom/prometheus`
-`server.image.tag` | Prometheus server container image tag | `v2.19.0`
+`server.image.tag` | Prometheus server container image tag | `v2.20.1`
 `server.image.pullPolicy` | Prometheus server container image pull policy | `IfNotPresent`
 `server.configPath` |  Path to a prometheus server config file on the container FS  | `/etc/config/prometheus.yml`
 `server.global.scrape_interval` | How frequently to scrape targets by default | `1m`
diff --git a/stable/prometheus/values.yaml b/stable/prometheus/values.yaml
index c326cd6f2fe8..1045f2712733 100644
--- a/stable/prometheus/values.yaml
+++ b/stable/prometheus/values.yaml
@@ -332,7 +332,7 @@ configmapReload:
     ##
     image:
       repository: jimmidyson/configmap-reload
-      tag: v0.3.0
+      tag: v0.4.0
       pullPolicy: IfNotPresent
 
     ## Additional configmap-reload container arguments
@@ -370,7 +370,7 @@ configmapReload:
     ##
     image:
       repository: jimmidyson/configmap-reload
-      tag: v0.3.0
+      tag: v0.4.0
       pullPolicy: IfNotPresent
 
     ## Additional configmap-reload container arguments
@@ -568,7 +568,7 @@ server:
   ##
   image:
     repository: prom/prometheus
-    tag: v2.19.2
+    tag: v2.20.1
     pullPolicy: IfNotPresent
 
   ## prometheus server priorityClassName