diff --git a/lib/alba/resource.rb b/lib/alba/resource.rb
index 1c63fc8..2dc62ef 100644
--- a/lib/alba/resource.rb
+++ b/lib/alba/resource.rb
@@ -8,6 +8,7 @@ module Alba
   module Resource
     DSLS = [:_attributes, :_serializer, :_key].freeze
     def self.included(base)
+      super
       base.class_eval do
         # Initialize
         DSLS.each do |name|
@@ -91,6 +92,7 @@ module ClassMethods
       attr_reader(*DSLS)
 
       def inherited(subclass)
+        super
         DSLS.each { |name| subclass.instance_variable_set("@#{name}", instance_variable_get("@#{name}")) }
       end
 
diff --git a/lib/alba/serializer.rb b/lib/alba/serializer.rb
index fee1591..b2511e5 100644
--- a/lib/alba/serializer.rb
+++ b/lib/alba/serializer.rb
@@ -2,6 +2,7 @@ module Alba
   # This module represents how a resource should be serialized.
   module Serializer
     def self.included(base)
+      super
       base.include InstanceMethods
       base.extend ClassMethods
     end
@@ -43,6 +44,7 @@ module ClassMethods
       attr_reader :_opts, :_metadata
 
       def inherited(subclass)
+        super
         %w[_opts _metadata].each { |name| subclass.instance_variable_set("@#{name}", instance_variable_get("@#{name}")) }
       end