diff --git a/backend/app/api/v1/routes_language_qc.py b/backend/app/api/v1/routes_language_qc.py
index 8e94b30..537e0e0 100644
--- a/backend/app/api/v1/routes_language_qc.py
+++ b/backend/app/api/v1/routes_language_qc.py
@@ -123,7 +123,7 @@ async def assign_language(
     request: AssignRequest,
     http_request: Request,
     current_user: User = Depends(require_roles(
-        UserRole.PROJECT_MANAGER, UserRole.PRODUCTION, UserRole.ADMIN,
+        UserRole.REVIEWER, UserRole.PROJECT_MANAGER, UserRole.PRODUCTION, UserRole.ADMIN,
     )),
     db: AsyncIOMotorDatabase = Depends(get_database),
 ):
@@ -161,7 +161,7 @@ async def assign_reviewer(
     request: AssignReviewerRequest,
     http_request: Request,
     current_user: User = Depends(require_roles(
-        UserRole.PROJECT_MANAGER, UserRole.PRODUCTION, UserRole.ADMIN,
+        UserRole.REVIEWER, UserRole.PROJECT_MANAGER, UserRole.PRODUCTION, UserRole.ADMIN,
     )),
     db: AsyncIOMotorDatabase = Depends(get_database),
 ):
@@ -179,7 +179,7 @@ async def reassign_reviewer(
     request: ReassignReviewerRequest,
     http_request: Request,
     current_user: User = Depends(require_roles(
-        UserRole.PROJECT_MANAGER, UserRole.PRODUCTION, UserRole.ADMIN,
+        UserRole.REVIEWER, UserRole.PROJECT_MANAGER, UserRole.PRODUCTION, UserRole.ADMIN,
     )),
     db: AsyncIOMotorDatabase = Depends(get_database),
 ):
@@ -198,7 +198,7 @@ async def bulk_assign_languages(
     request: BulkAssignRequest,
     http_request: Request,
     current_user: User = Depends(require_roles(
-        UserRole.PROJECT_MANAGER, UserRole.PRODUCTION, UserRole.ADMIN,
+        UserRole.REVIEWER, UserRole.PROJECT_MANAGER, UserRole.PRODUCTION, UserRole.ADMIN,
     )),
     db: AsyncIOMotorDatabase = Depends(get_database),
 ):