diff --git a/Jenkinsfile b/Jenkinsfile
index a92d7aa..0350818 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -9,7 +9,7 @@ pipeline {
       steps {
         withDockerRegistry([ credentialsId: "6ff44976-23cd-4cc2-902c-de8c340e65e5", url: "https://reg.zknt.org" ]) {
         script {
-            def customImage = docker.build("reg.zknt.org/zknt/debian", "--build-arg DATE=$timeStamp --build-arg GOSU_VERSION=$gosu_version --build-arg DUMB_INIT_VERSION=$dumb_init_version --no-cache --pull .")
+            def customImage = docker.build("reg.zknt.org/zknt/debian", "--pull --build-arg DATE=$timeStamp --build-arg GOSU_VERSION=$gosu_version --build-arg DUMB_INIT_VERSION=$dumb_init_version --no-cache .")
             customImage.push("buster")
             customImage.push("stable")
             customImage.push("10")
@@ -26,6 +26,10 @@ pipeline {
     }
   }
   post {
+    success {
+      sh """docker rmi -f \$(docker images -q $registry/$repo/$project:$version)"""
+      sh """for image in \$(grep FROM Dockerfile | cut -d ' ' -f 2); do docker rmi -f \$(docker images -q \${image}); done"""
+    }
     always {
       emailext body: 'build finished', subject: '[jenkins] docker debian: ' + currentBuild.result, to: 'cg@zknt.org', from: 'sysadm@zknt.org', attachLog: true
     }