diff --git a/backend/src/history/history-entry-import.dto.ts b/backend/src/history/history-entry-import.dto.ts
index 92c79d394..f1f5aa6b7 100644
--- a/backend/src/history/history-entry-import.dto.ts
+++ b/backend/src/history/history-entry-import.dto.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022 The HedgeDoc developers (see AUTHORS file)
+ * SPDX-FileCopyrightText: 2025 The HedgeDoc developers (see AUTHORS file)
  *
  * SPDX-License-Identifier: AGPL-3.0-only
  */
@@ -14,7 +14,7 @@ import {
 // This needs to be here because of weird import-behaviour during tests
 import 'reflect-metadata';
 
-import { BaseDto } from '../utils/base.dto.';
+import { BaseDto } from '../utils/base.dto';
 
 export class HistoryEntryImportDto extends BaseDto {
   /**
diff --git a/backend/src/history/history-entry-update.dto.ts b/backend/src/history/history-entry-update.dto.ts
index fe0457dd5..fd5317307 100644
--- a/backend/src/history/history-entry-update.dto.ts
+++ b/backend/src/history/history-entry-update.dto.ts
@@ -1,12 +1,12 @@
 /*
- * SPDX-FileCopyrightText: 2022 The HedgeDoc developers (see AUTHORS file)
+ * SPDX-FileCopyrightText: 2025 The HedgeDoc developers (see AUTHORS file)
  *
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 import { ApiProperty } from '@nestjs/swagger';
 import { IsBoolean } from 'class-validator';
 
-import { BaseDto } from '../utils/base.dto.';
+import { BaseDto } from '../utils/base.dto';
 
 export class HistoryEntryUpdateDto extends BaseDto {
   /**
diff --git a/backend/src/history/history-entry.dto.ts b/backend/src/history/history-entry.dto.ts
index c5ae719fa..c42697d40 100644
--- a/backend/src/history/history-entry.dto.ts
+++ b/backend/src/history/history-entry.dto.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022 The HedgeDoc developers (see AUTHORS file)
+ * SPDX-FileCopyrightText: 2025 The HedgeDoc developers (see AUTHORS file)
  *
  * SPDX-License-Identifier: AGPL-3.0-only
  */
@@ -13,7 +13,7 @@ import {
   IsString,
 } from 'class-validator';
 
-import { BaseDto } from '../utils/base.dto.';
+import { BaseDto } from '../utils/base.dto';
 
 export class HistoryEntryDto extends BaseDto {
   /**
diff --git a/backend/src/utils/base.dto..ts b/backend/src/utils/base.dto.ts
similarity index 68%
rename from backend/src/utils/base.dto..ts
rename to backend/src/utils/base.dto.ts
index fb98b88ee..c58bc5a14 100644
--- a/backend/src/utils/base.dto..ts
+++ b/backend/src/utils/base.dto.ts
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022 The HedgeDoc developers (see AUTHORS file)
+ * SPDX-FileCopyrightText: 2025 The HedgeDoc developers (see AUTHORS file)
  *
  * SPDX-License-Identifier: AGPL-3.0-only
  */