diff --git a/firefox/Dockerfile b/firefox/Dockerfile
index 00593b9..7812027 100644
--- a/firefox/Dockerfile
+++ b/firefox/Dockerfile
@@ -1,4 +1,4 @@
-# syntax = docker/dockerfile:1.2
+# syntax = docker/dockerfile:1
 FROM myvnc/arch/base:i3
 USER root
 
diff --git a/i3/Dockerfile b/i3/Dockerfile
index c3d8a82..4720f22 100644
--- a/i3/Dockerfile
+++ b/i3/Dockerfile
@@ -1,4 +1,4 @@
-# syntax = docker/dockerfile:1.2
+# syntax = docker/dockerfile:1
 FROM myvnc/arch/base
 USER root