diff --git a/framework/src/Volo.Abp.BackgroundJobs.Quartz/Volo/Abp/BackgroundJobs/Quartz/QuartzJobExecutionAdapter.cs b/framework/src/Volo.Abp.BackgroundJobs.Quartz/Volo/Abp/BackgroundJobs/Quartz/QuartzJobExecutionAdapter.cs
index 79776d0726..96c787c511 100644
--- a/framework/src/Volo.Abp.BackgroundJobs.Quartz/Volo/Abp/BackgroundJobs/Quartz/QuartzJobExecutionAdapter.cs
+++ b/framework/src/Volo.Abp.BackgroundJobs.Quartz/Volo/Abp/BackgroundJobs/Quartz/QuartzJobExecutionAdapter.cs
@@ -9,6 +9,7 @@ using Volo.Abp.Json;
 
 namespace Volo.Abp.BackgroundJobs.Quartz
 {
+    [DisallowConcurrentExecution]
     public class QuartzJobExecutionAdapter<TArgs> : IJob
     {
         public ILogger<QuartzJobExecutionAdapter<TArgs>> Logger { get; set; }
diff --git a/framework/src/Volo.Abp.BackgroundWorkers.Quartz/Volo/Abp/BackgroundWorkers/Quartz/QuartzBackgroundWorkerAdapter.cs b/framework/src/Volo.Abp.BackgroundWorkers.Quartz/Volo/Abp/BackgroundWorkers/Quartz/QuartzBackgroundWorkerAdapter.cs
index a37807e473..aa99434ed5 100644
--- a/framework/src/Volo.Abp.BackgroundWorkers.Quartz/Volo/Abp/BackgroundWorkers/Quartz/QuartzBackgroundWorkerAdapter.cs
+++ b/framework/src/Volo.Abp.BackgroundWorkers.Quartz/Volo/Abp/BackgroundWorkers/Quartz/QuartzBackgroundWorkerAdapter.cs
@@ -6,6 +6,7 @@ using Volo.Abp.Threading;
 
 namespace Volo.Abp.BackgroundWorkers.Quartz
 {
+    [DisallowConcurrentExecution]
     public class QuartzPeriodicBackgroundWorkerAdapter<TWorker> : QuartzBackgroundWorkerBase,
         IQuartzBackgroundWorkerAdapter
         where TWorker : IBackgroundWorker