diff --git a/charts/flagger/README.md b/charts/flagger/README.md
index ef0c9eaa..ab294f51 100644
--- a/charts/flagger/README.md
+++ b/charts/flagger/README.md
@@ -120,6 +120,9 @@ Parameter | Description | Default
 `podMonitor.podMonitor` | Additional labels to add to the PodMonitor | `{}`
 `leaderElection.enabled` | If `true`, Flagger will run in HA mode | `false`
 `leaderElection.replicaCount` | Number of replicas | `1`
+`serviceAccount.create` | If `true`, Flagger will create service account | `true`
+`serviceAccount.name` | The name of the service account to create or use. If not set and `serviceAccount.create` is `true`, a name is generated using the Flagger fullname | `""`
+`serviceAccount.annotations` | Annotations for service account | `{}`
 `ingressAnnotationsPrefix` | Annotations prefix for ingresses | `custom.ingress.kubernetes.io`
 `rbac.create` | If `true`, create and use RBAC resources | `true`
 `rbac.pspEnabled` | If `true`, create and use a restricted pod security policy | `false`
diff --git a/charts/flagger/templates/account.yaml b/charts/flagger/templates/account.yaml
index b314ec21..16b87ac1 100644
--- a/charts/flagger/templates/account.yaml
+++ b/charts/flagger/templates/account.yaml
@@ -3,6 +3,10 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: {{ template "flagger.serviceAccountName" . }}
+  annotations:
+  {{- if .Values.serviceAccount.annotations }}
+{{ toYaml .Values.serviceAccount.annotations | indent 4 }}
+  {{- end }}
   labels:
     helm.sh/chart: {{ template "flagger.chart" . }}
     app.kubernetes.io/name: {{ template "flagger.name" . }}
diff --git a/charts/flagger/values.yaml b/charts/flagger/values.yaml
index 8f502041..e2a2bb11 100644
--- a/charts/flagger/values.yaml
+++ b/charts/flagger/values.yaml
@@ -76,6 +76,8 @@ serviceAccount:
   create: true
   # serviceAccount.name: The name of the service account to create or use
   name: ""
+  # serviceAccount.annotations: Annotations for service account
+  annotations: {}
 
 rbac:
   # rbac.create: `true` if rbac resources should be created