diff --git a/litellm/litellm_core_utils/prompt_templates/factory.py b/litellm/litellm_core_utils/prompt_templates/factory.py
index 4cd8a689afa..9949639ffc6 100644
--- a/litellm/litellm_core_utils/prompt_templates/factory.py
+++ b/litellm/litellm_core_utils/prompt_templates/factory.py
@@ -7,7 +7,7 @@ import re
 import xml.etree.ElementTree as ET
 from collections.abc import Iterator, Mapping, Sequence
 from enum import Enum
-from typing import Any, Final, TypedDict, cast, overload
+from typing import Any, Final, TypeAlias, TypedDict, cast, overload
 
 from jinja2.sandbox import ImmutableSandboxedEnvironment
 
@@ -2307,7 +2307,7 @@ def _drop_unsignable_thinking_blocks(
 
 
 # mutable-ok: anthropic_messages_pt's callers have always appended to the list it returns
-_AnthropicMessageList = list[AllAnthropicPassThroughMessageValues]
+_AnthropicMessageList: TypeAlias = list[AllAnthropicPassThroughMessageValues]
 
 
 def anthropic_messages_pt(
diff --git a/litellm/llms/anthropic/mid_conversation_system.py b/litellm/llms/anthropic/mid_conversation_system.py
index 766faf66312..8b1c2b0c6d2 100644
--- a/litellm/llms/anthropic/mid_conversation_system.py
+++ b/litellm/llms/anthropic/mid_conversation_system.py
@@ -26,7 +26,7 @@ Anthropic wire shape is built later by ``anthropic_messages_pt``.
 
 from collections.abc import Iterator, Mapping, Sequence
 from itertools import groupby
-from typing import Final, Literal
+from typing import Final, Literal, TypeAlias
 
 from litellm.types.llms.anthropic import AnthropicMessagesSystemMessageParam, AnthropicSystemMessageContent
 from litellm.types.llms.openai import (
@@ -44,8 +44,8 @@ CONVERTED_SYSTEM_NOTE: Final = (
 _USER_TYPE_ROLES: Final = frozenset({"user", "tool", "function"})
 _TOOL_ROLES: Final = frozenset({"tool", "function"})
 
-_MessageKind = Literal["system", "tool", "user", "other"]
-_TextPart = tuple[str, ChatCompletionCachedContent | None]
+_MessageKind: TypeAlias = Literal["system", "tool", "user", "other"]
+_TextPart: TypeAlias = tuple[str, ChatCompletionCachedContent | None]
 
 
 def _as_mapping(value: object) -> Mapping[str, object] | None: