diff --git a/stable/prometheus-operator/Chart.yaml b/stable/prometheus-operator/Chart.yaml
index fc0ee3fe0201..923f3151c56f 100644
--- a/stable/prometheus-operator/Chart.yaml
+++ b/stable/prometheus-operator/Chart.yaml
@@ -10,7 +10,7 @@ name: prometheus-operator
 sources:
   - https://github.com/coreos/prometheus-operator
   - https://coreos.com/operators/prometheus
-version: 6.10.0
+version: 6.11.0
 appVersion: 0.32.0
 home: https://github.com/coreos/prometheus-operator
 keywords:
diff --git a/stable/prometheus-operator/README.md b/stable/prometheus-operator/README.md
index 6580c7dafca9..29536c808ed6 100644
--- a/stable/prometheus-operator/README.md
+++ b/stable/prometheus-operator/README.md
@@ -302,7 +302,7 @@ The following tables list the configurable parameters of the prometheus-operator
 | `alertmanager.alertmanagerSpec.containers` | Containers allows injecting additional containers. This is meant to allow adding an authentication proxy to an Alertmanager pod. | `[]` |
 | `alertmanager.alertmanagerSpec.externalUrl` | The external URL the Alertmanager instances will be available under. This is necessary to generate correct URLs. This is necessary if Alertmanager is not served from root of a DNS name. | `""` |
 | `alertmanager.alertmanagerSpec.image.repository` | Base image that is used to deploy pods, without tag. | `quay.io/prometheus/alertmanager` |
-| `alertmanager.alertmanagerSpec.image.tag` | Tag of Alertmanager container image to be deployed. | `v0.17.0` |
+| `alertmanager.alertmanagerSpec.image.tag` | Tag of Alertmanager container image to be deployed. | `v0.19.0` |
 | `alertmanager.alertmanagerSpec.listenLocal` | ListenLocal makes the Alertmanager server listen on loopback, so that it does not bind against the Pod IP. Note this is only for the Alertmanager UI, not the gossip communication. | `false` |
 | `alertmanager.alertmanagerSpec.logFormat` | Log format for Alertmanager to be configured with. | `logfmt` |
 | `alertmanager.alertmanagerSpec.logLevel` | Log level for Alertmanager to be configured with. | `info` |
diff --git a/stable/prometheus-operator/ci/test-values.yaml b/stable/prometheus-operator/ci/test-values.yaml
index 56e87baf97ae..afede596de62 100644
--- a/stable/prometheus-operator/ci/test-values.yaml
+++ b/stable/prometheus-operator/ci/test-values.yaml
@@ -229,7 +229,7 @@ alertmanager:
     ##
     image:
       repository: quay.io/prometheus/alertmanager
-      tag: v0.17.0
+      tag: v0.19.0
 
     ## If true then the user will be responsible to provide a secret with alertmanager configuration
     ## So when true the config part will be ignored (including templateFiles) and the one in the secret will be used
diff --git a/stable/prometheus-operator/values.yaml b/stable/prometheus-operator/values.yaml
index b09f293a6cd6..d4b854bc20db 100644
--- a/stable/prometheus-operator/values.yaml
+++ b/stable/prometheus-operator/values.yaml
@@ -229,7 +229,7 @@ alertmanager:
     ##
     image:
       repository: quay.io/prometheus/alertmanager
-      tag: v0.17.0
+      tag: v0.19.0
 
     ## If true then the user will be responsible to provide a secret with alertmanager configuration
     ## So when true the config part will be ignored (including templateFiles) and the one in the secret will be used