diff --git a/backend/services/wallet-service/prisma/migrations/20241204000000_init/migration.sql b/backend/services/wallet-service/prisma/migrations/20241204000000_init/migration.sql
index 9e4a2691..606fc90f 100644
--- a/backend/services/wallet-service/prisma/migrations/20241204000000_init/migration.sql
+++ b/backend/services/wallet-service/prisma/migrations/20241204000000_init/migration.sql
@@ -41,7 +41,7 @@ CREATE TABLE "wallet_ledger_entries" (
     "balance_after" DECIMAL(20,8),
     "ref_order_id" VARCHAR(100),
     "ref_tx_hash" VARCHAR(100),
-    "memo" VARCHAR(500),
+    "memo" TEXT,
     "payload_json" JSONB,
     "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,