diff --git a/customtkinter/windows/widgets/ctk_progressbar.py b/customtkinter/windows/widgets/ctk_progressbar.py
index ce597af..110800c 100644
--- a/customtkinter/windows/widgets/ctk_progressbar.py
+++ b/customtkinter/windows/widgets/ctk_progressbar.py
@@ -1,6 +1,10 @@
 import tkinter
 import math
-from typing import Union, Tuple, Optional, Literal, Callable
+from typing import Union, Tuple, Optional, Callable
+try:
+    from typing import Literal
+except ImportError:
+    from typing_extensions import Literal
 
 from .core_rendering import CTkCanvas
 from .theme import ThemeManager
diff --git a/customtkinter/windows/widgets/ctk_segmented_button.py b/customtkinter/windows/widgets/ctk_segmented_button.py
index af7c19a..73e9df2 100644
--- a/customtkinter/windows/widgets/ctk_segmented_button.py
+++ b/customtkinter/windows/widgets/ctk_segmented_button.py
@@ -1,5 +1,9 @@
 import tkinter
-from typing import Union, Tuple, List, Dict, Callable, Optional, Literal
+from typing import Union, Tuple, List, Dict, Callable, Optional
+try:
+    from typing import Literal
+except ImportError:
+    from typing_extensions import Literal
 
 from .theme import ThemeManager
 from .font import CTkFont
diff --git a/customtkinter/windows/widgets/font/ctk_font.py b/customtkinter/windows/widgets/font/ctk_font.py
index 69fb3f7..bdfae07 100644
--- a/customtkinter/windows/widgets/font/ctk_font.py
+++ b/customtkinter/windows/widgets/font/ctk_font.py
@@ -1,6 +1,10 @@
 from tkinter.font import Font
 import copy
-from typing import List, Callable, Tuple, Optional, Literal
+from typing import List, Callable, Tuple, Optional
+try:
+    from typing import Literal
+except ImportError:
+    from typing_extensions import Literal
 
 from ..theme import ThemeManager