diff --git a/Jenkinsfile-1 b/Jenkinsfile-1
index 232232c34..78602a82d 100644
--- a/Jenkinsfile-1
+++ b/Jenkinsfile-1
@@ -14,6 +14,7 @@ pipeline {
     }
     stage('Build') {
       steps {
+        sh "./mvnw clean"
         sh './mvnw compile'
       }
     }