diff --git a/src/com/mirantis/mk/Aptly.groovy b/src/com/mirantis/mk/Aptly.groovy
index 989bbde..4771084 100644
--- a/src/com/mirantis/mk/Aptly.groovy
+++ b/src/com/mirantis/mk/Aptly.groovy
@@ -113,7 +113,7 @@
         dumpPublishes(server, timestamp, dumpTarget)
     }
 
-    sh("aptly-publisher --url ${server} promote --source '${source}' --target '${target}' --force-overwrite ${opts}")
+    sh("aptly-publisher --url ${server} promote --acquire-by-hash --source '${source}' --target '${target}' --force-overwrite ${opts}")
 
 }