diff --git a/bin/generate-atomic-docs.rb b/bin/generate-atomic-docs.rb
index c4887e46..83ee3678 100755
--- a/bin/generate-atomic-docs.rb
+++ b/bin/generate-atomic-docs.rb
@@ -182,7 +182,7 @@ class AtomicRedTeamDocs
 
   def get_layer(techniques, layer_name)
     layer = {
-      "version" => "3.0",
+      "version" => "4.1",
       "name" => layer_name,
       "description" => layer_name + " MITRE ATT&CK Navigator Layer",
       "domain" => "mitre-enterprise",