diff -Nru libglib-object-introspection-perl-0.050/debian/changelog libglib-object-introspection-perl-0.050/debian/changelog
--- libglib-object-introspection-perl-0.050/debian/changelog	2023-06-11 16:30:39.000000000 +0000
+++ libglib-object-introspection-perl-0.050/debian/changelog	2023-06-18 16:10:21.000000000 +0000
@@ -1,3 +1,10 @@
+libglib-object-introspection-perl (0.050-2) unstable; urgency=medium
+
+  * Team upload.
+  * Add patch from upstream Git to unbreak Gtk3.
+
+ -- gregor herrmann <gregoa@debian.org>  Sun, 18 Jun 2023 18:10:21 +0200
+
 libglib-object-introspection-perl (0.050-1) unstable; urgency=medium
 
   * Team upload.
diff -Nru libglib-object-introspection-perl-0.050/debian/patches/0001-Check-for-empty-closures.patch libglib-object-introspection-perl-0.050/debian/patches/0001-Check-for-empty-closures.patch
--- libglib-object-introspection-perl-0.050/debian/patches/0001-Check-for-empty-closures.patch	1970-01-01 00:00:00.000000000 +0000
+++ libglib-object-introspection-perl-0.050/debian/patches/0001-Check-for-empty-closures.patch	2023-06-18 16:10:21.000000000 +0000
@@ -0,0 +1,36 @@
+From eef3b1f8662bf76095987eeef41308094693cf3e Mon Sep 17 00:00:00 2001
+From: Emmanuele Bassi <ebassi@gnome.org>
+Date: Wed, 29 Mar 2023 19:42:51 +0100
+Subject: [PATCH] Check for empty closures
+
+The closure field of the callback info structure can be NULL, which
+means we need to check before calling functions on it.
+
+Fixes: https://rt.cpan.org/Public/Bug/Display.html?id=147409
+
+Closes: #4
+---
+ gperl-i11n-marshal-callback.c | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/gperl-i11n-marshal-callback.c b/gperl-i11n-marshal-callback.c
+index 14ad003..d422de6 100644
+--- a/gperl-i11n-marshal-callback.c
++++ b/gperl-i11n-marshal-callback.c
+@@ -57,8 +57,11 @@ sv_to_callback (GIArgInfo * arg_info,
+ 	       callback_info->closure, callback_info);
+ 
+ #if GI_CHECK_VERSION (1, 72, 0)
+-        return g_callable_info_get_closure_native_address (callback_interface_info,
+-                                                           callback_info->closure);
++        if (callback_info->closure)
++                return g_callable_info_get_closure_native_address (callback_interface_info,
++                                                                   callback_info->closure);
++        else
++                return NULL;
+ #else
+ 	return callback_info->closure;
+ #endif
+-- 
+2.40.1
+
diff -Nru libglib-object-introspection-perl-0.050/debian/patches/series libglib-object-introspection-perl-0.050/debian/patches/series
--- libglib-object-introspection-perl-0.050/debian/patches/series	1970-01-01 00:00:00.000000000 +0000
+++ libglib-object-introspection-perl-0.050/debian/patches/series	2023-06-18 16:10:21.000000000 +0000
@@ -0,0 +1 @@
+0001-Check-for-empty-closures.patch