diff --git a/lib/galaxy/schema/workflow/comments.py b/lib/galaxy/schema/workflow/comments.py
index 3ac5f9874c01..438f4a207886 100644
--- a/lib/galaxy/schema/workflow/comments.py
+++ b/lib/galaxy/schema/workflow/comments.py
@@ -1,12 +1,12 @@
 from typing import (
     List,
-    Literal,
     Optional,
     Tuple,
     Union,
 )
 
 from pydantic import BaseModel
+from typing_extensions import Literal
 
 
 class BaseComment(BaseModel):