diff --git a/lib/tasks/deployment/20230209093144_backfill_revisions_published_at.rake b/lib/tasks/deployment/20230209093144_backfill_revisions_published_at.rake
new file mode 100644
index 000000000..4e675aa54
--- /dev/null
+++ b/lib/tasks/deployment/20230209093144_backfill_revisions_published_at.rake
@@ -0,0 +1,17 @@
+namespace :after_party do
+  desc 'Deployment task: backfill_revisions_published_at'
+  task backfill_revisions_published_at: :environment do
+    puts "Running deploy task 'backfill_revisions_published_at'"
+
+    ProcedureRevision
+      .joins(:procedure)
+      .where('procedures.draft_revision_id != procedure_revisions.id')
+      .where(published_at: nil)
+      .update_all('published_at = created_at')
+
+    # 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