diff --git a/CHANGELOG.md b/CHANGELOG.md
index 75992c7..df991f3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ...
 
+## 0.2.3
+
+- Register resource extensions upfront
+
 ## 0.2.2
 
 - Lock Async dependency to < 2.0 until fiber race condition is resolved
diff --git a/lib/bridgetown-prismic.rb b/lib/bridgetown-prismic.rb
index c1c3798..775ca0e 100644
--- a/lib/bridgetown-prismic.rb
+++ b/lib/bridgetown-prismic.rb
@@ -14,10 +14,6 @@ def self.api = Bridgetown::Current.site.config.prismic_api
 require_relative "bridgetown/utils/prismic_data"
 
 Bridgetown::Model::Base.class_eval do # rubocop:disable Metrics/BlockLength
-  class << self
-    attr_accessor :extensions_have_been_registered
-  end
-
   def self.import_prismic_document(doc) = new(BridgetownPrismic::Origin.import_document(doc))
 
   def self.with_links = Bridgetown::Current.site.config.prismic_link_resolver
diff --git a/lib/bridgetown-prismic/api.rb b/lib/bridgetown-prismic/api.rb
index 0c1604a..8654ed1 100644
--- a/lib/bridgetown-prismic/api.rb
+++ b/lib/bridgetown-prismic/api.rb
@@ -20,6 +20,12 @@ def configure_prismic # rubocop:disable Metrics/AbcSize
           "/"
         end
       end
+
+      Bridgetown::Model::Base.descendants.each do |klass|
+        next unless klass.respond_to?(:prismic_custom_type)
+
+        Bridgetown::Resource.register_extension klass
+      end
     end
 
     def query_prismic(custom_type, options = {})
diff --git a/lib/bridgetown-prismic/origin.rb b/lib/bridgetown-prismic/origin.rb
index 10baad5..619ddcc 100644
--- a/lib/bridgetown-prismic/origin.rb
+++ b/lib/bridgetown-prismic/origin.rb
@@ -28,7 +28,6 @@ def read
         raise "Could not find a specialized model class for ID `#{id}'"
       end
 
-      Bridgetown::Resource.register_extension klass unless klass.extensions_have_been_registered
       @data = klass.prismic_data(self, @prismic_document)
       @data[:_id_] = id
       @data[:_origin_] = self
diff --git a/lib/bridgetown-prismic/version.rb b/lib/bridgetown-prismic/version.rb
index bc485fc..0e4e616 100644
--- a/lib/bridgetown-prismic/version.rb
+++ b/lib/bridgetown-prismic/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module BridgetownPrismic
-  VERSION = "0.2.2"
+  VERSION = "0.2.3"
 end