diff --git a/PyInstaller-3.6.tar.gz b/PyInstaller-3.6.tar.gz
deleted file mode 100644
index ccf1f2a..0000000
--- a/PyInstaller-3.6.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3730fa80d088f8bb7084d32480eb87cbb4ddb64123363763cf8f2a1378c1c4b7
-size 3539593
diff --git a/PyInstaller-4.5.1.tar.gz b/PyInstaller-4.5.1.tar.gz
new file mode 100644
index 0000000..421f8bd
--- /dev/null
+++ b/PyInstaller-4.5.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:96fd6668c15a1dc4d0d53c96b2360fcc76d9e5ab3a3ad9328f2d39fec1557d51
+size 3436845
diff --git a/python-PyInstaller.changes b/python-PyInstaller.changes
index e515264..b629293 100644
--- a/python-PyInstaller.changes
+++ b/python-PyInstaller.changes
@@ -1,7 +1,8 @@
 -------------------------------------------------------------------
-Thu Sep 16 10:21:46 UTC 2021 - Matej Cepl <mcepl@suse.com>
+Thu Sep 16 11:25:16 UTC 2021 - Matej Cepl <mcepl@suse.com>
 
-- Skip TestDeeplyNested.testRegr for gh#pyinstaller/pyinstaller#4406
+- Update to 4.5.1: large number of changes, see packaged CHANGES.rst for
+  the complete list.
 
 -------------------------------------------------------------------
 Thu Apr  1 13:27:23 UTC 2021 - Markéta Machová <mmachova@suse.com>
diff --git a/python-PyInstaller.spec b/python-PyInstaller.spec
index c5dd2c8..a1d99e6 100644
--- a/python-PyInstaller.spec
+++ b/python-PyInstaller.spec
@@ -19,15 +19,14 @@
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 %bcond_without python2
 %bcond_without  test
+%define modname PyInstaller
 Name:           python-PyInstaller
-Version:        3.6
+Version:        4.5.1
 Release:        0
 Summary:        Bundle a Python application and all its dependencies into a single package
 License:        GPL-2.0-only
 URL:            https://www.pyinstaller.org
-Source:         https://files.pythonhosted.org/packages/source/P/PyInstaller/PyInstaller-%{version}.tar.gz
-# PATCH-FIX-UPSTREAM https://github.com/pyinstaller/pyinstaller/pull/5547/commits/589819183afc18f2d5b51dbbce68b7aca020c5e8 Bindepend: Skip/warn unrecognised output from ldconfig
-Patch0:         glibc233.patch
+Source:         https://github.com/pyinstaller/%{modname}/archive/refs/tags/v%{version}.tar.gz#/%{modname}-%{version}.tar.gz
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
@@ -57,6 +56,7 @@ BuildRequires:  %{python_module pytest-xdist}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module qt5}
 BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module wheel}
 BuildRequires:  upx
 %if %{with python2}
 BuildRequires:  python-dis3
@@ -73,7 +73,7 @@ package. The user can run the packaged app without installing a Python
 interpreter or any modules.
 
 %prep
-%setup -q -n PyInstaller-%{version}
+%setup -q -n pyinstaller-%{version}
 %autopatch -p1
 chmod a-x PyInstaller/utils/hooks/__init__.py