diff --git a/apis/v1/jaeger_types.go b/apis/v1/jaeger_types.go
index 7c1ce8d32..223e45c00 100644
--- a/apis/v1/jaeger_types.go
+++ b/apis/v1/jaeger_types.go
@@ -681,6 +681,9 @@ type JaegerEsIndexCleanerSpec struct {
 
 	// +optional
 	JaegerCommonSpec `json:",inline,omitempty"`
+
+	// +optional
+	PriorityClassName string `json:"priorityClassName,omitempty"`
 }
 
 // JaegerEsRolloverSpec holds the options related to es-rollover
diff --git a/bundle/manifests/jaegertracing.io_jaegers.yaml b/bundle/manifests/jaegertracing.io_jaegers.yaml
index 50212d9c1..c23cca6df 100644
--- a/bundle/manifests/jaegertracing.io_jaegers.yaml
+++ b/bundle/manifests/jaegertracing.io_jaegers.yaml
@@ -10030,6 +10030,8 @@ spec:
                         type: object
                       numberOfDays:
                         type: integer
+                      priorityClassName:
+                        type: string
                       resources:
                         nullable: true
                         properties:
diff --git a/config/crd/bases/jaegertracing.io_jaegers.yaml b/config/crd/bases/jaegertracing.io_jaegers.yaml
index 69e3644e1..99acaff32 100644
--- a/config/crd/bases/jaegertracing.io_jaegers.yaml
+++ b/config/crd/bases/jaegertracing.io_jaegers.yaml
@@ -10027,6 +10027,8 @@ spec:
                         type: object
                       numberOfDays:
                         type: integer
+                      priorityClassName:
+                        type: string
                       resources:
                         nullable: true
                         properties:
diff --git a/docs/api.md b/docs/api.md
index 47170844b..a77956edf 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -37720,6 +37720,13 @@ Resource Types:
           <br/>
         </td>
         <td>false</td>
+      </tr><tr>
+        <td><b>priorityClassName</b></td>
+        <td>string</td>
+        <td>
+          <br/>
+        </td>
+        <td>false</td>
       </tr><tr>
         <td><b><a href="#jaegerspecstorageesindexcleanerresources">resources</a></b></td>
         <td>object</td>
diff --git a/pkg/cronjob/es_index_cleaner.go b/pkg/cronjob/es_index_cleaner.go
index 389b35ec8..aeb3b74dc 100644
--- a/pkg/cronjob/es_index_cleaner.go
+++ b/pkg/cronjob/es_index_cleaner.go
@@ -45,6 +45,11 @@ func CreateEsIndexCleaner(jaeger *v1.Jaeger) *batchv1beta1.CronJob {
 
 	ca.Update(jaeger, commonSpec)
 
+	priorityClassName := ""
+	if jaeger.Spec.Storage.EsIndexCleaner.PriorityClassName != "" {
+		priorityClassName = jaeger.Spec.Storage.EsIndexCleaner.PriorityClassName
+	}
+
 	return &batchv1beta1.CronJob{
 		ObjectMeta: metav1.ObjectMeta{
 			Name:        name,
@@ -88,6 +93,7 @@ func CreateEsIndexCleaner(jaeger *v1.Jaeger) *batchv1beta1.CronJob {
 							SecurityContext:    commonSpec.SecurityContext,
 							ServiceAccountName: account.JaegerServiceAccountFor(jaeger, account.EsIndexCleanerComponent),
 							Volumes:            commonSpec.Volumes,
+							PriorityClassName:  priorityClassName,
 						},
 						ObjectMeta: metav1.ObjectMeta{
 							Labels:      commonSpec.Labels,
diff --git a/pkg/cronjob/es_index_cleaner_test.go b/pkg/cronjob/es_index_cleaner_test.go
index 6764c2d74..2fff9853a 100644
--- a/pkg/cronjob/es_index_cleaner_test.go
+++ b/pkg/cronjob/es_index_cleaner_test.go
@@ -232,3 +232,12 @@ func TestCustomEsIndexCleanerImage(t *testing.T) {
 	assert.Empty(t, jaeger.Spec.Storage.EsIndexCleaner.Image)
 	assert.Equal(t, "org/custom-es-index-cleaner-image:"+version.Get().Jaeger, cjob.Spec.JobTemplate.Spec.Template.Spec.Containers[0].Image)
 }
+
+// Test Case for PriorityClassName
+func TestPriorityClassName(t *testing.T) {
+	jaeger := v1.NewJaeger(types.NamespacedName{Name: "TestPriorityClassName"})
+
+	priorityClassNameVal := ""
+
+	assert.Equal(t, priorityClassNameVal, jaeger.Spec.Storage.EsIndexCleaner.PriorityClassName)
+}
diff --git a/pkg/deployment/query.go b/pkg/deployment/query.go
index 0d55de58f..a75c1104e 100644
--- a/pkg/deployment/query.go
+++ b/pkg/deployment/query.go
@@ -86,10 +86,7 @@ func (q *Query) Get() *appsv1.Deployment {
 	// see https://github.com/jaegertracing/jaeger-operator/issues/334
 	sort.Strings(options)
 
-	priorityClassName := ""
-	if q.jaeger.Spec.Query.PriorityClassName != "" {
-		priorityClassName = q.jaeger.Spec.Query.PriorityClassName
-	}
+	priorityClassName := q.jaeger.Spec.Query.PriorityClassName
 
 	strategy := appsv1.DeploymentStrategy{
 		Type: appsv1.RecreateDeploymentStrategyType,