diff --git a/src/edge_tts/communicate.py b/src/edge_tts/communicate.py
index ff9bd63..87267d4 100644
--- a/src/edge_tts/communicate.py
+++ b/src/edge_tts/communicate.py
@@ -16,7 +16,6 @@ from typing import (
     Dict,
     Generator,
     List,
-    Literal,
     Optional,
     Tuple,
     Union,
@@ -25,6 +24,7 @@ from xml.sax.saxutils import escape, unescape
 
 import aiohttp
 import certifi
+from typing_extensions import Literal
 
 from .constants import DEFAULT_VOICE, SEC_MS_GEC_VERSION, WSS_HEADERS, WSS_URL
 from .data_classes import TTSConfig
diff --git a/src/edge_tts/data_classes.py b/src/edge_tts/data_classes.py
index a756a68..0f1a10a 100644
--- a/src/edge_tts/data_classes.py
+++ b/src/edge_tts/data_classes.py
@@ -5,7 +5,8 @@
 import argparse
 import re
 from dataclasses import dataclass
-from typing import Literal
+
+from typing_extensions import Literal
 
 
 @dataclass