diff --git a/SgpViz-0.999.1.tar.bz2 b/SgpViz-0.999.1.tar.bz2
deleted file mode 100644
index 99053e6..0000000
--- a/SgpViz-0.999.1.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1c5f094845da8b1e2679ff7bc8b56d0ad95c1dad6a9678f92fe9b49a4678497b
-size 735004
diff --git a/SgpViz-0.999.5.tar.gz b/SgpViz-0.999.5.tar.gz
new file mode 100644
index 0000000..d0a8f41
--- /dev/null
+++ b/SgpViz-0.999.5.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3a84588ff942b20930918be1ed82397da5cf2da2342f34d7d5462044c2758f52
+size 678467
diff --git a/gap-sgpviz.changes b/gap-sgpviz.changes
index c9f5abe..9d50210 100644
--- a/gap-sgpviz.changes
+++ b/gap-sgpviz.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Sun Feb 12 11:51:37 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 0.999.5
+  * Schutzenberger graphs are now produced in two steps, as the
+    remaining drawings
+  * Changes to fix a strange behavior when the semigroups package
+    is loaded (and a semigroup is entered before)
+
 -------------------------------------------------------------------
 Mon Dec 25 16:12:20 UTC 2017 - jengelh@inai.de
 
diff --git a/gap-sgpviz.spec b/gap-sgpviz.spec
index 31a651e..5b29e1c 100644
--- a/gap-sgpviz.spec
+++ b/gap-sgpviz.spec
@@ -17,18 +17,17 @@
 
 
 Name:           gap-sgpviz
+Version:        0.999.5
+Release:        0
 Summary:        GAP: A package for semigroup visualization
 License:        GPL-2.0+
 Group:          Productivity/Scientific/Math
-Version:        0.999.1
-Release:        0
-Url:            http://cmup.fc.up.pt/cmup/mdelgado/sgpviz/
-
-Source:         https://www.gap-system.org/pub/gap/gap4/tar.bz2/packages/SgpViz-%version.tar.bz2
+URL:            https://gap-packages.github.io/sgpviz
+#Git-Clone:     https://github.com/gap-packages/sgpviz
+Source:         https://github.com/gap-packages/sgpviz/releases/download/v%version/SgpViz-%version.tar.gz
 BuildArch:      noarch
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  gap-rpm-devel
-Requires:       gap-automata >= 1.11
+Requires:       gap-automata >= 1.14
 Requires:       gap-core >= 4.4
 
 %description
@@ -44,7 +43,7 @@ for semigroups. The features of this package include:
 * a Tcl/Tk interface to specify a semigroup
 
 %prep
-%setup -qn SgpViz-%version
+%autosetup -n SgpViz-%version
 
 %build
 
@@ -52,6 +51,5 @@ for semigroups. The features of this package include:
 %gappkg_simple_install
 
 %files -f %name.files
-%defattr(-,root,root)
 
 %changelog