diff --git a/gap-liepring.changes b/gap-liepring.changes
index a600d0a..e1b9e0f 100644
--- a/gap-liepring.changes
+++ b/gap-liepring.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Sep 11 17:37:54 UTC 2024 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 2.9.1
+  * Ensure unit polynomials have lead coeff 1
+
 -------------------------------------------------------------------
 Wed May  8 11:41:19 UTC 2024 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/gap-liepring.spec b/gap-liepring.spec
index 3dcef70..70d1c28 100644
--- a/gap-liepring.spec
+++ b/gap-liepring.spec
@@ -17,7 +17,7 @@
 
 
 Name:           gap-liepring
-Version:        2.9
+Version:        2.9.1
 Release:        0
 Summary:        GAP: Database and algorithms for Lie p-rings
 License:        GPL-2.0-only
diff --git a/liepring-2.9.1.tar.gz b/liepring-2.9.1.tar.gz
new file mode 100644
index 0000000..fece31a
--- /dev/null
+++ b/liepring-2.9.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c531dac70f3eab78f36e801c924dc0044dff999eca301729048cfcc25fa7d044
+size 2642049
diff --git a/liepring-2.9.tar.gz b/liepring-2.9.tar.gz
deleted file mode 100644
index e30cfc4..0000000
--- a/liepring-2.9.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:129c379bb2a737fcda28b8bafa5e3ca83ea44515f232b76303df95e27895e6bc
-size 2641843