diff --git a/internal/controller/kubeconfig/gardener_cluster_controller.go b/internal/controller/kubeconfig/gardener_cluster_controller.go
index c532e203..67aa9f5b 100644
--- a/internal/controller/kubeconfig/gardener_cluster_controller.go
+++ b/internal/controller/kubeconfig/gardener_cluster_controller.go
@@ -34,6 +34,7 @@ import (
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/builder"
 	"sigs.k8s.io/controller-runtime/pkg/client"
+	pkgctrl "sigs.k8s.io/controller-runtime/pkg/controller"
 	"sigs.k8s.io/controller-runtime/pkg/predicate"
 )
 
@@ -43,6 +44,7 @@ const (
 	clusterCRNameLabel                = "operator.kyma-project.io/cluster-name"
 
 	rotationPeriodRatio = 0.95
+	numberOfWorkers     = 25
 )
 
 // GardenerClusterController reconciles a GardenerCluster object
@@ -436,5 +438,6 @@ func (controller *GardenerClusterController) SetupWithManager(mgr ctrl.Manager)
 			predicate.AnnotationChangedPredicate{},
 			predicate.GenerationChangedPredicate{}),
 		)).
+		WithOptions(pkgctrl.Options{MaxConcurrentReconciles: numberOfWorkers}).
 		Complete(controller)
 }
diff --git a/internal/controller/runtime/runtime_controller.go b/internal/controller/runtime/runtime_controller.go
index 03829ed3..f621ae40 100644
--- a/internal/controller/runtime/runtime_controller.go
+++ b/internal/controller/runtime/runtime_controller.go
@@ -31,9 +31,7 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/predicate"
 )
 
-const (
-	numberOfWorkers = 25
-)
+const numberOfWorkers = 25
 
 // RuntimeReconciler reconciles a Runtime object
 // nolint:revive