diff --git a/packages/lib/server-only/document/complete-document-with-token.ts b/packages/lib/server-only/document/complete-document-with-token.ts
index 2712c56fa..62db516fa 100644
--- a/packages/lib/server-only/document/complete-document-with-token.ts
+++ b/packages/lib/server-only/document/complete-document-with-token.ts
@@ -94,6 +94,7 @@ export const completeDocumentWithToken = async ({
     },
     data: {
       status: DocumentStatus.COMPLETED,
+      completedAt: new Date(),
     },
   });
 
diff --git a/packages/prisma/migrations/20231103044612_add_completed_date/migration.sql b/packages/prisma/migrations/20231103044612_add_completed_date/migration.sql
new file mode 100644
index 000000000..39bfc01c8
--- /dev/null
+++ b/packages/prisma/migrations/20231103044612_add_completed_date/migration.sql
@@ -0,0 +1,4 @@
+-- AlterTable
+ALTER TABLE "Document" ADD COLUMN     "completedAt" TIMESTAMP(3);
+
+UPDATE "Document" SET "completedAt" = "updatedAt" WHERE "status" = 'COMPLETED';
diff --git a/packages/prisma/schema.prisma b/packages/prisma/schema.prisma
index f273f6c3f..8cf4152c4 100644
--- a/packages/prisma/schema.prisma
+++ b/packages/prisma/schema.prisma
@@ -120,6 +120,7 @@ model Document {
   documentMeta   DocumentMeta?
   createdAt      DateTime            @default(now())
   updatedAt      DateTime            @default(now()) @updatedAt
+  completedAt    DateTime?
 
   @@unique([documentDataId])
   @@index([userId])