diff --git a/lib/oga.rb b/lib/oga.rb
index 6fb3972..08fa446 100644
--- a/lib/oga.rb
+++ b/lib/oga.rb
@@ -10,6 +10,6 @@ require_relative 'oga/xml/document'
 require_relative 'oga/xml/text'
 require_relative 'oga/xml/comment'
 require_relative 'oga/xml/cdata'
-require_relative 'oga/xml/builder'
+require_relative 'oga/xml/tree_builder'
 
 require_relative 'oga/html/parser'
diff --git a/lib/oga/xml/builder.rb b/lib/oga/xml/tree_builder.rb
similarity index 96%
rename from lib/oga/xml/builder.rb
rename to lib/oga/xml/tree_builder.rb
index 26801e4..1da6d52 100644
--- a/lib/oga/xml/builder.rb
+++ b/lib/oga/xml/tree_builder.rb
@@ -6,7 +6,7 @@ module Oga
     # @!attribute [r] ast
     #  @return [Oga::AST::Node]
     #
-    class Builder < ::AST::Processor
+    class TreeBuilder < ::AST::Processor
       attr_reader :ast
 
       def on_document(node)
@@ -74,6 +74,6 @@ module Oga
       def on_attribute(node)
         return *node
       end
-    end # Builder
+    end # TreeBuilder
   end # XML
 end # Oga