diff --git a/lib/tasks/new_core.rake b/lib/tasks/new_core.rake
index 698a686fe..98d384e90 100644
--- a/lib/tasks/new_core.rake
+++ b/lib/tasks/new_core.rake
@@ -67,25 +67,26 @@ namespace :new_core do
         BuildList::BUILD_PUBLISH
       ]).
       order(:id).
-      find_in_batches(:batch_size => 1) do | bls |
+      find_in_batches(:batch_size => 100) do | build_lists |
 
-      bl = bls.first
-      puts "[#{Time.zone.now}] - where build_lists.id #{bl.id}"
+      build_lists.each do | bl |
+        puts "[#{Time.zone.now}] - where build_lists.id #{bl.id}"
 
-      sha1 = (bl.results.find{ |r| r['file_name'] =~ /.*\.tar\.gz$/ } || {})['sha1']
-      next unless sha1
-      dir = Dir.mktmpdir('update-packages-', "#{APP_CONFIG['root_path']}")
-      begin
-        system "cd #{dir} && curl -L -O #{APP_CONFIG['file_store_url']}/api/v1/file_stores/#{sha1}; tar -xzf #{sha1}"
-        system "rm -f #{dir}/#{sha1}"
+        sha1 = (bl.results.find{ |r| r['file_name'] =~ /.*\.tar\.gz$/ } || {})['sha1']
+        next unless sha1
+        dir = Dir.mktmpdir('update-packages-', "#{APP_CONFIG['root_path']}")
+        begin
+          system "cd #{dir} && curl -L -O #{APP_CONFIG['file_store_url']}/api/v1/file_stores/#{sha1}; tar -xzf #{sha1}"
+          system "rm -f #{dir}/#{sha1}"
 
-        extract_rpms_and_update_packages("#{dir}/archives/SRC_RPM", bl, 'source', token)
-        extract_rpms_and_update_packages("#{dir}/archives/RPM", bl, 'binary', token)
-      ensure
-        # remove the directory.
-        FileUtils.remove_entry_secure dir
-      end
-    end
+          extract_rpms_and_update_packages("#{dir}/archives/SRC_RPM", bl, 'source', token)
+          extract_rpms_and_update_packages("#{dir}/archives/RPM", bl, 'binary', token)
+        ensure
+          # remove the directory.
+          FileUtils.remove_entry_secure dir
+        end
+      end # build_lists.each
+    end # find_in_batches
 
     say "[#{Time.zone.now}] done"
   end