diff --git a/app/models/doi.rb b/app/models/doi.rb
index fa42d7b4e..05cb841f1 100644
--- a/app/models/doi.rb
+++ b/app/models/doi.rb
@@ -1904,6 +1904,7 @@ def self.loop_through_dois(options)
         ids = response.results.results.map(&:uid)
         ids.each do |id|
           Object.const_get(job_name).perform_later(id, options)
+          sleep 0.1
         end
       end
     end