diff --git a/gap-genss.changes b/gap-genss.changes
index cf08fad..4edab2b 100644
--- a/gap-genss.changes
+++ b/gap-genss.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Mar 11 22:26:30 UTC 2016 - jengelh@inai.de
+
+- Update to new upstream release 1.6.3
+* Fix a bug in SetwiseStabilizer
+
 -------------------------------------------------------------------
 Sun Feb 22 10:32:48 UTC 2015 - jengelh@inai.de
 
diff --git a/gap-genss.spec b/gap-genss.spec
index be4f082..0114b30 100644
--- a/gap-genss.spec
+++ b/gap-genss.spec
@@ -18,13 +18,12 @@
 
 Name:           gap-genss
 Summary:        GAP: generic Schreier-Sims
-Version:        1.6.2
+Version:        1.6.3
 Release:        0
 License:        GPL-3.0+
 Group:          Productivity/Scientific/Math
-URL:            https://github.com/gap-system/genss
+URL:            http://gap-packages.github.io/genss/
 
-#Git-Clone:	git://github.com/gap-system/genss
 Source:         ftp://ftp.gap-system.org/pub/gap/gap4/tar.bz2/packages/genss-%version.tar.bz2
 BuildArch:      noarch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
diff --git a/genss-1.6.2.tar.bz2 b/genss-1.6.2.tar.bz2
deleted file mode 100644
index bc2bbe1..0000000
--- a/genss-1.6.2.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d957f0ae106eba6e82fa8cdab894222018a6d9cc9063b0f6e2a0c8d0c20b1ac0
-size 310135
diff --git a/genss-1.6.3.tar.bz2 b/genss-1.6.3.tar.bz2
new file mode 100644
index 0000000..259dcb9
--- /dev/null
+++ b/genss-1.6.3.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:53f3e7f0621fe2663bebd73ef663187ef77c1a34b6b47a609c2c452ae6268b04
+size 310226