diff --git a/Documentation/api.md b/Documentation/api.md
index 1ae0116838e..f7036484fe6 100644
--- a/Documentation/api.md
+++ b/Documentation/api.md
@@ -1468,6 +1468,7 @@ OpsGenieConfig configures notifications via OpsGenie. See https://prometheus.io/
 | details | A set of arbitrary key/value pairs that provide further detail about the incident. | [][KeyValue](#keyvalue) | false |
 | responders | List of responders responsible for notifications. | [][OpsGenieConfigResponder](#opsgenieconfigresponder) | false |
 | httpConfig | HTTP client configuration. | *[HTTPConfig](#httpconfig) | false |
+| updateAlerts | Update alert descritpion on change. | bool | false |
 
 [Back to TOC](#table-of-contents)
 
diff --git a/bundle.yaml b/bundle.yaml
index 8a0ecfbc991..27e2cebb665 100644
--- a/bundle.yaml
+++ b/bundle.yaml
@@ -773,6 +773,9 @@ spec:
                             description: Comma separated list of tags attached to
                               the notifications.
                             type: string
+                          updateAlerts:
+                            description: Update alert descritpion on change.
+                            type: boolean
                         type: object
                       type: array
                     pagerdutyConfigs:
diff --git a/example/prometheus-operator-crd/monitoring.coreos.com_alertmanagerconfigs.yaml b/example/prometheus-operator-crd/monitoring.coreos.com_alertmanagerconfigs.yaml
index 457617278b1..8f064dd2b72 100644
--- a/example/prometheus-operator-crd/monitoring.coreos.com_alertmanagerconfigs.yaml
+++ b/example/prometheus-operator-crd/monitoring.coreos.com_alertmanagerconfigs.yaml
@@ -773,6 +773,9 @@ spec:
                             description: Comma separated list of tags attached to
                               the notifications.
                             type: string
+                          updateAlerts:
+                            description: Update alert descritpion on change.
+                            type: boolean
                         type: object
                       type: array
                     pagerdutyConfigs:
diff --git a/jsonnet/prometheus-operator/alertmanagerconfigs-crd.json b/jsonnet/prometheus-operator/alertmanagerconfigs-crd.json
index 7c9a5d912cc..03874418e54 100644
--- a/jsonnet/prometheus-operator/alertmanagerconfigs-crd.json
+++ b/jsonnet/prometheus-operator/alertmanagerconfigs-crd.json
@@ -830,6 +830,10 @@
                               "tags": {
                                 "description": "Comma separated list of tags attached to the notifications.",
                                 "type": "string"
+                              },
+                              "updateAlerts": {
+                                "description": "Update alert descritpion on change.",
+                                "type": "boolean"
                               }
                             },
                             "type": "object"
diff --git a/pkg/alertmanager/.types.go.swp b/pkg/alertmanager/.types.go.swp
new file mode 100644
index 00000000000..f7a2dca56eb
Binary files /dev/null and b/pkg/alertmanager/.types.go.swp differ
diff --git a/pkg/alertmanager/amcfg.go b/pkg/alertmanager/amcfg.go
index 94e4f9727cc..cf315b3aec6 100644
--- a/pkg/alertmanager/amcfg.go
+++ b/pkg/alertmanager/amcfg.go
@@ -655,6 +655,7 @@ func (cg *configGenerator) convertOpsgenieConfig(ctx context.Context, in monitor
 		Tags:          in.Tags,
 		Note:          in.Note,
 		Priority:      in.Priority,
+		UpdateAlerts:  in.UpdateAlerts,
 	}
 
 	if in.APIKey != nil {
diff --git a/pkg/alertmanager/types.go b/pkg/alertmanager/types.go
index a3aef4d479d..7d581200cc0 100644
--- a/pkg/alertmanager/types.go
+++ b/pkg/alertmanager/types.go
@@ -141,6 +141,7 @@ type opsgenieConfig struct {
 	Tags          string              `yaml:"tags,omitempty" json:"tags,omitempty"`
 	Note          string              `yaml:"note,omitempty" json:"note,omitempty"`
 	Priority      string              `yaml:"priority,omitempty" json:"priority,omitempty"`
+	UpdateAlerts  bool                `yaml:"update_alerts,omitempty" json:"update_alerts,omitempty"`
 }
 
 type weChatConfig struct {
diff --git a/pkg/apis/monitoring/v1alpha1/alertmanager_config_types.go b/pkg/apis/monitoring/v1alpha1/alertmanager_config_types.go
index 5942880168a..b44da1c2458 100644
--- a/pkg/apis/monitoring/v1alpha1/alertmanager_config_types.go
+++ b/pkg/apis/monitoring/v1alpha1/alertmanager_config_types.go
@@ -482,6 +482,9 @@ type OpsGenieConfig struct {
 	// HTTP client configuration.
 	// +optional
 	HTTPConfig *HTTPConfig `json:"httpConfig,omitempty"`
+	// Update alert descritpion on change.
+	// +optional
+	UpdateAlerts bool `json:"updateAlerts,omitempty"`
 }
 
 // Validate ensures OpsGenieConfig is valid