diff --git a/database/migrations/add_archived_status_to_application_plans.sql b/database/migrations/add_archived_status_to_application_plans.sql
new file mode 100644
index 0000000..18fedc5
--- /dev/null
+++ b/database/migrations/add_archived_status_to_application_plans.sql
@@ -0,0 +1,9 @@
+-- Add 'archived' status to application_plans table
+-- This migration updates the check constraint to allow 'archived' status
+
+-- Drop the existing check constraint
+ALTER TABLE application_plans DROP CONSTRAINT application_plans_status_check;
+
+-- Add the new check constraint with 'archived' included
+ALTER TABLE application_plans ADD CONSTRAINT application_plans_status_check 
+CHECK (status IN ('planned', 'in_progress', 'completed', 'cancelled', 'archived'));
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