diff --git a/lib/tasks/deployment/20221221090151_schedule_rebase_for_all_dossiers.rake b/lib/tasks/deployment/20221221090151_schedule_rebase_for_all_dossiers.rake
new file mode 100644
index 000000000..0cd16cc12
--- /dev/null
+++ b/lib/tasks/deployment/20221221090151_schedule_rebase_for_all_dossiers.rake
@@ -0,0 +1,24 @@
+namespace :after_party do
+  desc 'Deployment task: schedule_rebase_for_all_dossiers'
+  task schedule_rebase_for_all_dossiers: :environment do
+    puts "Running deploy task 'schedule_rebase_for_all_dossiers'"
+
+    dossiers = Dossier.joins(:procedure)
+      .state_not_termine
+      .state_not_brouillon
+      .where('revision_id != procedures.published_revision_id')
+
+    progress = ProgressReport.new(dossiers.count)
+
+    dossiers.find_each do |dossier|
+      dossier.rebase_later
+      progress.inc
+    end
+    progress.finish
+
+    # Update task as completed.  If you remove the line below, the task will
+    # run with every deploy (or every time you call after_party:run).
+    AfterParty::TaskRecord
+      .create version: AfterParty::TaskRecorder.new(__FILE__).timestamp
+  end
+end