diff --git a/sync-http-to-s3.groovy b/sync-http-to-s3.groovy
index 108a394..44ec92b 100644
--- a/sync-http-to-s3.groovy
+++ b/sync-http-to-s3.groovy
@@ -1,5 +1,5 @@
 def common = new com.mirantis.mk.Common()
-
+s4cmdOpts = ' --sync-check '
 
 node("docker") {
     stage('Prepare') {
@@ -9,13 +9,18 @@
     stage('Upload') {
         FILENAMES.split().each { filename ->
             url = "${SOURCE}/${filename}"
+            opts = s4cmdOpts
+            if(filename.contains('stable')){
+                common.warningMsg("Going to ovveride ${filename}")
+                opts = opts + '--force'
+            }
             img.withRun("--entrypoint='/bin/bash'") { c ->
                 withCredentials([[$class          : 'UsernamePasswordMultiBinding', credentialsId: 'aws-s3',
                                   usernameVariable: 'S3_ACCESS_KEY', passwordVariable: 'S3_SECRET_KEY']]) {
                     img.inside("-e S3_ACCESS_KEY=${S3_ACCESS_KEY} -e S3_SECRET_KEY=${S3_SECRET_KEY}") {
                         common.retry(3, 5) {
                             sh(script: "wget --progress=dot:giga -O ${filename} ${url}", returnStdout: true)
-                            sh(script: "/usr/local/bin/s4cmd put ${filename} ${DEST}/${filename}", returnStdout: true)
+                            sh(script: "/usr/local/bin/s4cmd put ${opts} ${filename} ${DEST}/${filename}", returnStdout: true)
                         }
                     }
                 }