diff --git a/src/types/competition-configs.ts b/src/types/competition-configs.ts
index 51fb5c4..18350aa 100644
--- a/src/types/competition-configs.ts
+++ b/src/types/competition-configs.ts
@@ -137,6 +137,11 @@ export const EvaluationConfigSchema = z.object({
         .default('admin_decides'),
     })
     .optional(),
+
+  // Ranking (Phase 1)
+  rankingEnabled: z.boolean().default(false),
+  rankingCriteria: z.string().optional(),
+  autoRankOnComplete: z.boolean().default(false),
 })
 
 export type EvaluationConfig = z.infer<typeof EvaluationConfigSchema>