diff --git a/Jenkinsfile b/Jenkinsfile
index e59c5cd..44fe5ce 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,5 +1,5 @@
 pipeline {
-    agent docker-ubuntu
+    agent { label 'docker-ubuntu' }
 
     stage("build") {
         steps {