diff --git a/backend/pium/src/main/java/com/official/pium/config/AsyncConfig.java b/backend/pium/src/main/java/com/official/pium/config/AsyncConfig.java
index 3b0c5f1d..fffde222 100644
--- a/backend/pium/src/main/java/com/official/pium/config/AsyncConfig.java
+++ b/backend/pium/src/main/java/com/official/pium/config/AsyncConfig.java
@@ -13,7 +13,7 @@ public class AsyncConfig implements AsyncConfigurer {
     @Override
     public Executor getAsyncExecutor() {
         ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
-        executor.setCorePoolSize(50);
+        executor.setCorePoolSize(40);
 //        executor.setQueueCapacity(15);
 //        executor.setMaxPoolSize(200);
         executor.setThreadNamePrefix("2024-Pium-Thread: ");