diff --git a/config/initializers/_version.rb b/config/initializers/_version.rb
index 4836da4c5..178e3cb93 100644
--- a/config/initializers/_version.rb
+++ b/config/initializers/_version.rb
@@ -1,5 +1,5 @@
 module Lupo
   class Application
-    VERSION = "2.2.5"
+    VERSION = "2.2.6"
   end
 end
\ No newline at end of file
diff --git a/lib/tasks/doi.rake b/lib/tasks/doi.rake
index b9c9e6f9d..d605a2e04 100644
--- a/lib/tasks/doi.rake
+++ b/lib/tasks/doi.rake
@@ -60,10 +60,10 @@ namespace :doi do
       until_date = ENV['UNTIL_DATE'] || Date.current.strftime("%F")
     end
 
-    index_time = ENV['INDEX_TIME'] || Time.zone.now.utc.iso8601
-    client_id = ENV['CLIENT_ID']
+    from_id = Doi.where(created: from_date).first
+    until_id = Doi.where(created: until_date).last
 
-    Doi.index(from_date: from_date, until_date: until_date, index_time: index_time, client_id: client_id)
+    Doi.index_by_ids(from_id: from_id, until_id: until_id)
   end
 
   desc 'Index DOIs per day'