diff --git a/_typed_dict_test_helper.py b/_typed_dict_test_helper.py
deleted file mode 100644
index ded561c..0000000
--- a/_typed_dict_test_helper.py
+++ /dev/null
@@ -1,8 +0,0 @@
-from __future__ import annotations
-
-from typing import Generic, Optional, T
-from typing_extensions import TypedDict
-
-
-class FooGeneric(TypedDict, Generic[T]):
-    a: Optional[T]
diff --git a/python-typing_extensions.changes b/python-typing_extensions.changes
index 10ddd1e..2681cd7 100644
--- a/python-typing_extensions.changes
+++ b/python-typing_extensions.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu Feb 23 09:31:47 UTC 2023 - Adrian Schröter <adrian@suse.de>
+
+- update to version 4.5.0
+  Details can be found here: https://pypi.org/project/typing-extensions/4.5.0/
+- obsoletes _typed_dict_test_helper.py hack
+
 -------------------------------------------------------------------
 Sun Nov 20 19:40:35 UTC 2022 - Ben Greiner <code@bnavigator.de>
 
diff --git a/python-typing_extensions.spec b/python-typing_extensions.spec
index aa5efe5..80a801c 100644
--- a/python-typing_extensions.spec
+++ b/python-typing_extensions.spec
@@ -1,7 +1,7 @@
 #
 # spec file
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -26,14 +26,12 @@
 %endif
 
 Name:           python-typing_extensions%{psuffix}
-Version:        4.4.0
+Version:        4.5.0
 Release:        0
 Summary:        Backported and Experimental Type Hints for Python 3.7+
 License:        Python-2.0
 URL:            https://github.com/python/typing/
 Source0:        https://files.pythonhosted.org/packages/source/t/typing_extensions/typing_extensions-%{version}.tar.gz
-# See https://github.com/python/typing_extensions/issues/61
-Source1:        https://raw.githubusercontent.com/python/typing_extensions/%{version}/src/_typed_dict_test_helper.py
 BuildRequires:  %{python_module base >= 3.7}
 BuildRequires:  %{python_module flit-core >= 3.4 with %python-flit-core < 4}
 BuildRequires:  %{python_module pip}
@@ -74,8 +72,6 @@ after that version reaches end of life.
 
 %prep
 %setup -q -n typing_extensions-%{version}
-# This should not be necessary in the next release
-[ ! -f src/_typed_dict_test_helper.py ] && cp %{SOURCE1} src/ || exit 1
 
 %if !%{with test}
 %build
diff --git a/typing_extensions-4.4.0.tar.gz b/typing_extensions-4.4.0.tar.gz
deleted file mode 100644
index 21f9a5c..0000000
--- a/typing_extensions-4.4.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1511434bb92bf8dd198c12b1cc812e800d4181cfcb867674e0f8279cc93087aa
-size 49708
diff --git a/typing_extensions-4.5.0.tar.gz b/typing_extensions-4.5.0.tar.gz
new file mode 100644
index 0000000..3a7f0f7
--- /dev/null
+++ b/typing_extensions-4.5.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5cb5f4a79139d699607b3ef622a1dedafa84e115ab0024e0d9c044a9479ca7cb
+size 52399