diff --git a/appstream-generator-0.9.0-undeaD-xml.patch b/appstream-generator-0.9.0-undeaD-xml.patch
new file mode 100644
index 0000000..450b599
--- /dev/null
+++ b/appstream-generator-0.9.0-undeaD-xml.patch
@@ -0,0 +1,45 @@
+diff --git a/src/asgen/backends/rpmmd/rpmpkgindex.d b/src/asgen/backends/rpmmd/rpmpkgindex.d
+index f336919..733e8f1 100644
+--- a/src/asgen/backends/rpmmd/rpmpkgindex.d
++++ b/src/asgen/backends/rpmmd/rpmpkgindex.d
+@@ -25,7 +25,7 @@ import std.array : appender, empty;
+ import std.string : format;
+ import std.algorithm : canFind, endsWith;
+ import std.conv : to;
+-import std.xml;
++import undead.xml;
+ static import std.file;
+ 
+ import asgen.logging;
+diff --git a/src/asgen/meson.build b/src/asgen/meson.build
+index be49dba..d8a5b46 100644
+--- a/src/asgen/meson.build
++++ b/src/asgen/meson.build
+@@ -64,6 +64,7 @@ backend_sources = [
+     'backends/ubuntu/ubupkg.d',
+     'backends/ubuntu/ubupkgindex.d',
+ 
++    '../../undeaD-1.1.8/src/undead/xml.d',
+     'backends/rpmmd/package.d',
+     'backends/rpmmd/rpmpkg.d',
+     'backends/rpmmd/rpmpkgindex.d',
+@@ -76,7 +77,8 @@ asgen_exe = executable('appstream-generator',
+     [asgen_sources,
+      backend_sources],
+     include_directories: [src_dir,
+-                          gir_bind_dir],
++                          gir_bind_dir,
++			  '../../undeaD-1.1.8/src'],
+     dependencies: [glibd_dep,
+                    appstream_dep,
+                    ascompose_dep,
+@@ -92,7 +94,8 @@ asgen_test_exe = executable('asgen_test',
+     [asgen_sources,
+     backend_sources],
+     include_directories: [src_dir,
+-                          gir_bind_dir],
++                          gir_bind_dir,
++			  '../../undeaD-1.1.8/src'],
+     dependencies: [glibd_dep,
+                    appstream_dep,
+                    ascompose_dep,
diff --git a/appstream-generator.spec b/appstream-generator.spec
index f996562..6f1afcb 100644
--- a/appstream-generator.spec
+++ b/appstream-generator.spec
@@ -1,6 +1,6 @@
 Name:          appstream-generator
 Version:       0.9.0
-Release:       1mamba
+Release:       2mamba
 Summary:       A fast AppStream metadata generator
 Group:         System/Tools
 Vendor:        openmamba
@@ -8,6 +8,8 @@ Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://github.com/ximion/appstream-generator
 Source:        https://github.com/ximion/appstream-generator.git/v%{version}/appstream-generator-%{version}.tar.bz2
+Source1:       https://github.com/dlang/undeaD/archive/refs/tags/v1.1.8.tar.gz
+Patch0:        appstream-generator-0.9.0-undeaD-xml.patch
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -22,7 +24,7 @@ BuildRequires: libldc-devel
 BuildRequires: liblmdb-devel
 ## AUTOBUILDREQ-END
 BuildRequires: meson
-BuildRequires: libldc-devel >= 1.29.0
+BuildRequires: libldc-devel >= 1.31.0
 
 %description
 A fast AppStream metadata generator.
@@ -30,7 +32,8 @@ A fast AppStream metadata generator.
 %debug_package
 
 %prep
-%setup -q
+%setup -q -a1
+%patch0 -p1 -b .undeaD-xml
 
 %build
 %meson
@@ -60,6 +63,9 @@ A fast AppStream metadata generator.
 %doc LICENSE
 
 %changelog
+* Mon Mar 13 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 0.9.0-2mamba
+- rebuilt with ldc 1.31.0
+
 * Sat Jan 28 2023 Automatic Build System <autodist@mambasoft.it> 0.9.0-1mamba
 - automatic version update by autodist