diff --git a/Jenkinsfile b/Jenkinsfile
index 70c09a4..868b3d6 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,11 +1,11 @@
 pipeline {
   agent {
-    docker 'ruby:2.3'
+    docker 'ruby:2.5.1'
   }
   stages {
     stage('deploy') {
       steps {
-        sh 'bundle  install && cap production deploy'
+        sh 'gem install bundler && bundle  install && cap production deploy'
       }
     }
   }