diff --git a/docker-unified/Dockerfile b/docker-unified/Dockerfile
index eae4eba..72df1d0 100644
--- a/docker-unified/Dockerfile
+++ b/docker-unified/Dockerfile
@@ -1,4 +1,4 @@
-# syntax = docker/dockerfile:1.11
+# syntax = docker/dockerfile:1.18
 ###############################################
 #                 Build stage                 #
 ###############################################