diff -Nru mirage-0.11.1/debian/changelog mirage-0.11.1/debian/changelog
--- mirage-0.11.1/debian/changelog	2022-03-17 14:06:39.000000000 +0000
+++ mirage-0.11.1/debian/changelog	2023-12-25 00:59:00.000000000 +0000
@@ -1,3 +1,9 @@
+mirage (0.11.1-1ubuntu0.22.04.1) jammy; urgency=medium
+
+  * Add sentinel value to fix segfault. (LP: #1994145)
+
+ -- Sudip Mukherjee <sudipm.mukherjee@gmail.com>  Mon, 25 Dec 2023 00:59:00 +0000
+
 mirage (0.11.1-1build4) jammy; urgency=medium
 
   * No-change rebuild with Python 3.10 only.
diff -Nru mirage-0.11.1/debian/patches/fix_sentinel.patch mirage-0.11.1/debian/patches/fix_sentinel.patch
--- mirage-0.11.1/debian/patches/fix_sentinel.patch	1970-01-01 01:00:00.000000000 +0100
+++ mirage-0.11.1/debian/patches/fix_sentinel.patch	2023-12-25 00:58:56.000000000 +0000
@@ -0,0 +1,29 @@
+From 0ad50581a4554285190e4d7d47e69cd002ee94ad Mon Sep 17 00:00:00 2001
+From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
+Date: Sun, 24 Dec 2023 19:11:49 +0000
+Subject: [PATCH] Add sentinel value to fix segfault
+
+Ubuntu was always segfaulting when mirage is executed. Upstream Python
+developers pointed out that the sentinel value is not added.
+
+Ref: https://github.com/python/cpython/issues/113460
+
+Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
+Origin: upstream, https://gitlab.com/thomasross/mirage/-/commit/0ad50581a4554285190e4d7d47e69cd002ee94ad
+Bug-Ubuntu: https://launchpad.net/bugs/1994145
+Last-Update: 2023-12-25
+---
+
+diff --git a/mirage/xmouse.c b/mirage/xmouse.c
+index 0309676..6a81425 100644
+--- a/mirage/xmouse.c
++++ b/mirage/xmouse.c
+@@ -39,6 +39,7 @@ static PyMethodDef methods[] =
+ {
+     {"geometry", xmouse_geometry, METH_VARARGS,
+      "Get the geometry of the window under the mouse cursor."},
++    {NULL, NULL, 0, NULL}
+ };
+ 
+ static PyModuleDef xmouse_module = {
+-- 
diff -Nru mirage-0.11.1/debian/patches/series mirage-0.11.1/debian/patches/series
--- mirage-0.11.1/debian/patches/series	1970-01-01 01:00:00.000000000 +0100
+++ mirage-0.11.1/debian/patches/series	2023-12-25 00:58:56.000000000 +0000
@@ -0,0 +1 @@
+fix_sentinel.patch