diff -Nru glogic-2.6/debian/changelog glogic-2.6/debian/changelog
--- glogic-2.6/debian/changelog	2021-11-16 14:58:06.000000000 +0100
+++ glogic-2.6/debian/changelog	2024-08-24 16:24:44.000000000 +0200
@@ -1,3 +1,10 @@
+glogic (2.6-6+deb12u1) bookworm; urgency=medium
+
+  * Add patch to require Gtk 3.0 and PangoCairo 1.0
+    (Closes: #1058575)
+
+ -- Andreas Rönnquist <gusnan@debian.org>  Sat, 24 Aug 2024 16:24:44 +0200
+
 glogic (2.6-6) unstable; urgency=medium
 
   * QA upload.
diff -Nru glogic-2.6/debian/patches/105-Require-Gtk-3.0-and-PangoCairo-1.0.patch glogic-2.6/debian/patches/105-Require-Gtk-3.0-and-PangoCairo-1.0.patch
--- glogic-2.6/debian/patches/105-Require-Gtk-3.0-and-PangoCairo-1.0.patch	1970-01-01 01:00:00.000000000 +0100
+++ glogic-2.6/debian/patches/105-Require-Gtk-3.0-and-PangoCairo-1.0.patch	2024-08-24 16:24:44.000000000 +0200
@@ -0,0 +1,38 @@
+From: =?utf-8?q?Andreas_R=C3=B6nnquist?= <gusnan@debian.org>
+Date: Fri, 23 Aug 2024 21:01:24 +0200
+Subject: Require Gtk 3.0 and PangoCairo 1.0
+
+---
+ glogic/MainFrame.py | 5 ++++-
+ glogic/Utils.py     | 4 ++++
+ 2 files changed, 8 insertions(+), 1 deletion(-)
+
+diff --git a/glogic/MainFrame.py b/glogic/MainFrame.py
+index da9e536..d80b666 100644
+--- a/glogic/MainFrame.py
++++ b/glogic/MainFrame.py
+@@ -1,6 +1,9 @@
+ # -*- coding: utf-8; indent-tabs-mode: t; tab-width: 4 -*-
+ 
+-import copy, os, sys, webbrowser
++import copy, os, sys, webbrowser, gi
++
++gi.require_version('Gtk', '3.0')
++
+ from gi.repository import Gtk, Gdk, GdkPixbuf
+ from glogic import config, const
+ from glogic.Exporter import save_schematics_as_image
+diff --git a/glogic/Utils.py b/glogic/Utils.py
+index 3e27bab..e930353 100644
+--- a/glogic/Utils.py
++++ b/glogic/Utils.py
+@@ -1,5 +1,9 @@
+ # -*- coding: utf-8; indent-tabs-mode: t; tab-width: 4 -*-
+ 
++import gi
++
++gi.require_version('PangoCairo', '1.0')
++
+ from gi.repository import Pango, PangoCairo
+ from glogic import const
+ 
diff -Nru glogic-2.6/debian/patches/series glogic-2.6/debian/patches/series
--- glogic-2.6/debian/patches/series	2021-11-16 14:58:06.000000000 +0100
+++ glogic-2.6/debian/patches/series	2024-08-24 16:24:44.000000000 +0200
@@ -1,3 +1,4 @@
+105-Require-Gtk-3.0-and-PangoCairo-1.0.patch
 104_remove-duplicated-autoconf-macro.patch
 103_erase-link-to-external-website.patch
 102_add-Keywords-field.patch