diff --git a/lib/ronin/database.rb b/lib/ronin/database.rb
index <HASH>..<HASH> 100644
--- a/lib/ronin/database.rb
+++ b/lib/ronin/database.rb
@@ -19,3 +19,14 @@
 #
 
 require 'ronin/database/database'
+
+module Ronin
+  Database.upgrade do
+    require 'ronin/author'
+    require 'ronin/license'
+    require 'ronin/arch'
+    require 'ronin/os'
+    require 'ronin/product'
+    require 'ronin/cacheable/cached_file'
+  end
+end
Require the builtin Ronin models within a Database.upgrade block.