diff --git a/packages/server/src/database/migrations/postgres/1693996694528-ModifyChatMessage.ts b/packages/server/src/database/migrations/postgres/1693996694528-ModifyChatMessage.ts
new file mode 100644
index 00000000..4933e8f7
--- /dev/null
+++ b/packages/server/src/database/migrations/postgres/1693996694528-ModifyChatMessage.ts
@@ -0,0 +1,11 @@
+import { MigrationInterface, QueryRunner } from 'typeorm'
+
+export class ModifyChatMessage1693996694528 implements MigrationInterface {
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "chat_message" ALTER COLUMN "sourceDocuments" TYPE TEXT`)
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "chat_message" ALTER COLUMN "sourceDocuments" TYPE VARCHAR`)
+    }
+}
diff --git a/packages/server/src/database/migrations/postgres/index.ts b/packages/server/src/database/migrations/postgres/index.ts
index ac03fcc4..be15aab0 100644
--- a/packages/server/src/database/migrations/postgres/index.ts
+++ b/packages/server/src/database/migrations/postgres/index.ts
@@ -1,4 +1,5 @@
 import { Init1693891895163 } from './1693891895163-Init'
 import { ModifyChatFlow1693995626941 } from './1693995626941-ModifyChatFlow'
+import { ModifyChatMessage1693996694528 } from './1693996694528-ModifyChatMessage'
 
-export const postgresMigrations = [Init1693891895163, ModifyChatFlow1693995626941]
+export const postgresMigrations = [Init1693891895163, ModifyChatFlow1693995626941, ModifyChatMessage1693996694528]