diff --git a/charts/plugin-barman-cloud/templates/rbac.yaml b/charts/plugin-barman-cloud/templates/rbac.yaml
index 6a550c136..b1525b079 100644
--- a/charts/plugin-barman-cloud/templates/rbac.yaml
+++ b/charts/plugin-barman-cloud/templates/rbac.yaml
@@ -23,10 +23,15 @@ kind: ServiceAccount
 metadata:
   labels:
     {{- include "plugin-barman-cloud.labels" . | nindent 4 }}
-  {{- with .Values.commonAnnotations }}
+  {{- if or .Values.serviceAccount.additionalAnnotations .Values.commonAnnotations }}
   annotations:
+  {{- with .Values.serviceAccount.additionalAnnotations }}
     {{- toYaml . | nindent 4 }}
   {{- end }}
+  {{- with .Values.commonAnnotations }}
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- end }}
   name: {{ include "plugin-barman-cloud.serviceAccountName" . }}
   namespace: {{ include "plugin-barman-cloud.namespace" . }}
 {{- end }}
diff --git a/charts/plugin-barman-cloud/values.schema.json b/charts/plugin-barman-cloud/values.schema.json
index 112c01ae1..80aca95ba 100644
--- a/charts/plugin-barman-cloud/values.schema.json
+++ b/charts/plugin-barman-cloud/values.schema.json
@@ -383,6 +383,12 @@
     },
     "serviceAccount": {
       "properties": {
+        "additionalAnnotations": {
+          "additionalProperties": true,
+          "description": "Annotations to be added only to the service account.",
+          "required": [],
+          "title": "additionalAnnotations"
+        },
         "create": {
           "default": true,
           "description": "Specifies whether the service account should be created.",
diff --git a/charts/plugin-barman-cloud/values.yaml b/charts/plugin-barman-cloud/values.yaml
index ea3705631..a9bb50f90 100644
--- a/charts/plugin-barman-cloud/values.yaml
+++ b/charts/plugin-barman-cloud/values.yaml
@@ -88,6 +88,11 @@ serviceAccount:
   # -- The name of the service account to use.
   # If not set and create is true, a name is generated using the fullname template.
   name: ""
+  # @schema
+  # additionalProperties: true
+  # @schema
+  # -- Annotations to be added only to the service account if it's created.
+  additionalAnnotations: {}
 
 rbac:
   # -- Specifies whether Role and RoleBinding should be created.