diff --git a/fe/fe-portal/ci-uat-portal-frontend.Jenkinsfile b/fe/fe-portal/ci-uat-portal-frontend.Jenkinsfile
index 793ff80..c646ff2 100644
--- a/fe/fe-portal/ci-uat-portal-frontend.Jenkinsfile
+++ b/fe/fe-portal/ci-uat-portal-frontend.Jenkinsfile
@@ -31,6 +31,9 @@ pipeline {
         TELEGRAM_CHAT_ID = -4678013464
         TELEGRAM_BOT_TOKEN = credentials('TELEGRAM_BOT_TOKEN')
     }
+    options {
+        disableConcurrentBuilds() // Ngăn build song song, hủy build cũ khi có build mới
+    }
 
     stages {
         stage('Checkout') {