diff --git a/4ti2Interface-2022.09-01.tar.gz b/4ti2Interface-2022.09-01.tar.gz
new file mode 100644
index 0000000..12234ed
--- /dev/null
+++ b/4ti2Interface-2022.09-01.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fbfc0d30b1ab6a107a564765b3e1b2075f87b7e3358db72ec108a560c5393cdd
+size 140676
diff --git a/4ti2Interface-4ti2Interface-2018.07.06.tar.bz2 b/4ti2Interface-4ti2Interface-2018.07.06.tar.bz2
deleted file mode 100644
index a6013a7..0000000
--- a/4ti2Interface-4ti2Interface-2018.07.06.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3ced98609c49d6baf7b3fab6029b2b400095bd83f329855318c2535138bdd48d
-size 190482
diff --git a/gap-4ti2interface.changes b/gap-4ti2interface.changes
index 4a42044..eb066d9 100644
--- a/gap-4ti2interface.changes
+++ b/gap-4ti2interface.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun Oct  2 17:42:28 UTC 2022 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 2022.09.01
+  * No changelog was provided
+
 -------------------------------------------------------------------
 Fri Oct 19 10:25:26 UTC 2018 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/gap-4ti2interface.spec b/gap-4ti2interface.spec
index 1b295a8..2faa877 100644
--- a/gap-4ti2interface.spec
+++ b/gap-4ti2interface.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package gap-4ti2interface
 #
-# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2022 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,18 +17,19 @@
 
 
 Name:           gap-4ti2interface
-Version:        2018.07.06
+Version:        2022.09.01
+%define sillyversion 2022.09-01
 Release:        0
 Summary:        GAP: Interface to 4ti2
 License:        GPL-2.0-only
 Group:          Productivity/Scientific/Math
 URL:            http://homalg-project.github.io/homalg_project/4ti2Interface/
 
-Source:         https://www.gap-system.org/pub/gap/gap4/tar.bz2/packages/4ti2Interface-4ti2Interface-%version.tar.bz2
+Source:         https://github.com/homalg-project/homalg_project/releases/download/4ti2Interface-%sillyversion/4ti2Interface-%sillyversion.tar.gz
 BuildArch:      noarch
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  gap-rpm-devel
-Requires:       gap-core >= 4.7
+Requires:       4ti2
+Requires:       gap-core >= 4.11.1
 Requires:       gap-io >= 4.2
 Suggests:       gap-autodoc >= 2013.08.22
 
@@ -38,7 +39,7 @@ a collection of programs that compute and solve algebraic,
 geometric and combinational problems on linear spaces.
 
 %prep
-%setup -qn 4ti2Interface-%version
+%setup -qn 4ti2Interface-%sillyversion
 
 %build
 
@@ -46,6 +47,5 @@ geometric and combinational problems on linear spaces.
 %gappkg_simple_install
 
 %files -f %name.files
-%defattr(-,root,root)
 
 %changelog