diff --git a/Jenkinsfile b/Jenkinsfile
index 30a6f66..f580dc9 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -2,7 +2,7 @@ pipeline {
   agent {
     docker {
       image 'node:6-alpine'
-      args '-p 3000:3000'
+      args '-p 4000:4000'
     }
 
   }