diff --git a/lib/zendesk_apps_support/validations/marketplace.rb b/lib/zendesk_apps_support/validations/marketplace.rb
index <HASH>..<HASH> 100644
--- a/lib/zendesk_apps_support/validations/marketplace.rb
+++ b/lib/zendesk_apps_support/validations/marketplace.rb
@@ -1,7 +1,8 @@
+# frozen_string_literal: true
 module ZendeskAppsSupport
   module Validations
     module Marketplace
-      WHITELISTED_EXPERIMENTS = [].freeze
+      WHITELISTED_EXPERIMENTS = ['hashParams'].freeze
 
       class << self
         def call(package)
diff --git a/spec/validations/marketplace_spec.rb b/spec/validations/marketplace_spec.rb
index <HASH>..<HASH> 100644
--- a/spec/validations/marketplace_spec.rb
+++ b/spec/validations/marketplace_spec.rb
@@ -31,4 +31,10 @@ describe ZendeskAppsSupport::Validations::Marketplace do
     end
   end
 
+  context 'with package with whitelisted experiements' do
+    let(:package) { ZendeskAppsSupport::Package.new('spec/fixtures/iframe_only_app') }
+    it 'works' do
+      expect(errors).to be_empty
+    end
+  end
 end
whitelist and test hashParams experiment