diff --git a/Jenkinsfile b/Jenkinsfile
index 95939e9..881c344 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,5 +1,5 @@
 pipeline {
-    agent { docker { image 'python:3.5.1' } }
+    agent { docker { image 'python:3.0.0' } }
     stages {
         stage('build') {
             steps {