diff --git a/account/account-worker/src/main/resources/application.yml b/account/account-worker/src/main/resources/application.yml
index 5e82abe..356d783 100644
--- a/account/account-worker/src/main/resources/application.yml
+++ b/account/account-worker/src/main/resources/application.yml
@@ -40,6 +40,7 @@ spring:
           contentType: 'application/json'
           consumer:
             durableSubscription: true
+            concurrency: 20
 eureka:
   client:
     service-url:
diff --git a/order/order-worker/src/main/resources/application.yml b/order/order-worker/src/main/resources/application.yml
index 2b09709..d2dceae 100644
--- a/order/order-worker/src/main/resources/application.yml
+++ b/order/order-worker/src/main/resources/application.yml
@@ -34,7 +34,7 @@ spring:
           group: order-group
           consumer:
             durableSubscription: true
-            concurrency: 5
+            concurrency: 20
 eureka:
   client:
     service-url:
diff --git a/payment/payment-worker/src/main/resources/application.yml b/payment/payment-worker/src/main/resources/application.yml
index 42ea3cb..58ce116 100644
--- a/payment/payment-worker/src/main/resources/application.yml
+++ b/payment/payment-worker/src/main/resources/application.yml
@@ -34,6 +34,7 @@ spring:
           group: payment-group
           consumer:
             durableSubscription: true
+          concurrency: 20
 eureka:
   client:
     service-url:
diff --git a/warehouse/warehouse-worker/src/main/resources/application.yml b/warehouse/warehouse-worker/src/main/resources/application.yml
index 95316ec..68d667f 100644
--- a/warehouse/warehouse-worker/src/main/resources/application.yml
+++ b/warehouse/warehouse-worker/src/main/resources/application.yml
@@ -45,21 +45,21 @@ spring:
             group: warehouse-group
             consumer:
               durableSubscription: true
-              concurrency: 5
+              concurrency: 20
           reservation:
             contentType: 'application/json'
             destination: reservation
             group: reservation-group
             consumer:
               durableSubscription: true
-              concurrency: 5
+              concurrency: 20
           inventory:
             contentType: 'application/json'
             destination: inventory
             group: inventory-group
             consumer:
               durableSubscription: true
-              concurrency: 5
+              concurrency: 20
 eureka:
   client:
     service-url: