diff --git a/docs/source/changelog.rst b/docs/source/changelog.rst
index 58452b9..8fd176e 100644
--- a/docs/source/changelog.rst
+++ b/docs/source/changelog.rst
@@ -26,17 +26,18 @@ Glossary
 Releases
 ---------------------
 
-v1.4.8
+v1.4.8 / v1.4.9
 =====================
 - Fixed :class:`tkclasswiz.convert.convert_objects_to_script` function:
   
-  - not being able to convert global enums (or enum flags)
-  - duplicated import strings
-  
+  - not being able to convert global enums (or enum flags).
+  - duplicated import strings.
+
 - Fixed flags not definable as flags when editing list-like objects.
 - Fixed tooltip style not adjusting when using ttkbootstrap.
   E. g., in dark mode only the text was updated, but background was still the same. 
 - Fixed the Python3.10+ Union type (``A | B``) not being detected as an union type.
+- Fixed UnionType import error.
 
 
 v1.4.7
diff --git a/tkclasswiz/__init__.py b/tkclasswiz/__init__.py
index fd6de8a..6048fcb 100644
--- a/tkclasswiz/__init__.py
+++ b/tkclasswiz/__init__.py
@@ -27,7 +27,7 @@
 SOFTWARE.
 """
 
-__version__ = "1.4.8"
+__version__ = "1.4.9"
 
 
 from .object_frame import *
diff --git a/tkclasswiz/annotations.py b/tkclasswiz/annotations.py
index b9161fb..71e5b37 100644
--- a/tkclasswiz/annotations.py
+++ b/tkclasswiz/annotations.py
@@ -6,7 +6,10 @@
 from inspect import isclass, isabstract
 from itertools import product, chain
 from contextlib import suppress
-from types import UnionType
+try:
+    from types import UnionType
+except ImportError:
+    UnionType = Union
 
 from .utilities import issubclass_noexcept
 from .doc import doc_category