diff --git a/bridgetown-seo-tag.gemspec b/bridgetown-seo-tag.gemspec
index c13592c..d4ca950 100644
--- a/bridgetown-seo-tag.gemspec
+++ b/bridgetown-seo-tag.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |spec|
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r!^(test|script|spec|features)/!) }
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "bridgetown", ">= 1.2.0.beta1", "< 2.0"
+  spec.add_dependency "bridgetown", ">= 1.2.0.beta2", "< 2.0"
 
   spec.add_development_dependency "bundler", ">= 1.15"
   spec.add_development_dependency "html-proofer", "~> 3.7"
diff --git a/lib/bridgetown-seo-tag.rb b/lib/bridgetown-seo-tag.rb
index 401967d..e89cbcc 100644
--- a/lib/bridgetown-seo-tag.rb
+++ b/lib/bridgetown-seo-tag.rb
@@ -94,6 +94,6 @@ def template_path
 Liquid::Template.register_tag("seo", Bridgetown::SeoTag)
 require "bridgetown-seo-tag/builder"
 
-Bridgetown.initializer :"bridgetown-seo-tag" do
-  builder Bridgetown::SeoTag::Builder
+Bridgetown.initializer :"bridgetown-seo-tag" do |config|
+  config.builder Bridgetown::SeoTag::Builder
 end
diff --git a/spec/bridgetown_seo_tag/drop_spec.rb b/spec/bridgetown_seo_tag/drop_spec.rb
index e53a3a4..b464bf0 100644
--- a/spec/bridgetown_seo_tag/drop_spec.rb
+++ b/spec/bridgetown_seo_tag/drop_spec.rb
@@ -493,7 +493,7 @@
 
     context "when canonical url is not specified for a page" do
       it "uses site specific canonical url" do
-        expect(subject.canonical_url).to eq("http://example.com/page.html")
+        expect(subject.canonical_url).to eq("http://example.com/page/")
       end
     end
   end
diff --git a/spec/bridgetown_seo_tag_integration_spec.rb b/spec/bridgetown_seo_tag_integration_spec.rb
index 1fb2ccb..6ac9e53 100755
--- a/spec/bridgetown_seo_tag_integration_spec.rb
+++ b/spec/bridgetown_seo_tag_integration_spec.rb
@@ -13,7 +13,7 @@
   let(:paginator) { { "previous_page" => true, "previous_page_path" => "foo", "next_page" => true, "next_page_path" => "bar" } }
   let(:page) do
     make_page.yield_self do |page|
-      page.pager = paginator
+      page.paginator = paginator
       page
     end
   end
@@ -51,7 +51,7 @@
     let(:post_output) do
       site.read
       site.data.site_metadata = { title: "Site name" }
-      Bridgetown::Renderer.new(site, post).run
+      post.transform!
       post.output
     end
 
diff --git a/spec/bridgetown_seo_tag_spec.rb b/spec/bridgetown_seo_tag_spec.rb
index bafdf1d..cb54f53 100644
--- a/spec/bridgetown_seo_tag_spec.rb
+++ b/spec/bridgetown_seo_tag_spec.rb
@@ -38,7 +38,7 @@
     end
 
     it "contains the page" do
-      expect(payload["page"]).to be_a(Bridgetown::Page)
+      expect(payload["page"]).to be_a(Bridgetown::GeneratedPage)
     end
 
     it "contains the site" do
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 02d99bd..ef8bbc1 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -2,6 +2,9 @@
 
 $LOAD_PATH.unshift File.expand_path("../lib", __dir__)
 require "bridgetown"
+
+Bridgetown.begin!
+
 # rubocop:disable Lint/Void
 Bridgetown::Site # resolve weird autoload issue
 # rubocop:enable Lint/Void
@@ -38,16 +41,18 @@ def dest_dir
 }.freeze
 
 def make_page(options = {})
-  page = Bridgetown::Page.new site, CONFIG_DEFAULTS["source"], "", "page.md"
-  page.data = options
+  page = Bridgetown::GeneratedPage.new site, CONFIG_DEFAULTS["source"], "", "page.md"
+  page.data = options.with_dot_access
   page
 end
 
 def make_post(options = {})
   filename = File.expand_path("_posts/2015-01-01-post.md", CONFIG_DEFAULTS["source"])
   config = { site: site, collection: site.collections["posts"] }
-  page = Bridgetown::Document.new filename, config
-  page.merge_data!(options)
+  origin = Bridgetown::Model::RepoOrigin.new_with_collection_path(:posts, "_posts/2015-01-01-post.md")
+  page = Bridgetown::Model::Base.new(origin.read).to_resource
+#  page = Bridgetown::Resource::Base.new filename, config
+  page.data.merge!(options)
   page
 end