diff --git a/README.md b/README.md
index 41c022f..3447ed0 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,3 @@
 # pdfmod
 
 With PDF Mod you can reorder, rotate, and remove pages, export images from a PDF, edit the title, subject, author, and keywords, and combine documents via drag and drop.
-
diff --git a/pdfmod-0.9.1-mono-4.2.2.30.patch b/pdfmod-0.9.1-mono-4.2.2.30.patch
new file mode 100644
index 0000000..fc1f640
--- /dev/null
+++ b/pdfmod-0.9.1-mono-4.2.2.30.patch
@@ -0,0 +1,25 @@
+From: Nuno Araujo <nuno.araujo@russo79.com>
+Date: Mon, 21 Mar 2011 12:10:52 +0800
+Subject: Fix compilation under Mono 2.10 (bgo#644516)
+
+Force use of the overloaded implicit operator of Hyena.Gui.DragDropList
+to solve mono 2.10 compilation problems.
+
+Signed-off-by: Alexander Kojevnikov <alexander@kojevnikov.com>
+---
+ src/PdfMod/Gui/DocumentIconView.cs | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/PdfMod/Gui/DocumentIconView.cs b/src/PdfMod/Gui/DocumentIconView.cs
+index 5796c72..386d662 100644
+--- a/src/PdfMod/Gui/DocumentIconView.cs
++++ b/src/PdfMod/Gui/DocumentIconView.cs
+@@ -319,7 +319,7 @@ namespace PdfMod.Gui
+                 if (to_index < 0)
+                     return;
+ 
+-                var pages = args.SelectionData.Data as Hyena.Gui.DragDropList<Page>;
++                Hyena.Gui.DragDropList<Page> pages = args.SelectionData;
+                 to_index -= pages.Count (p => p.Index < to_index);
+                 var action = new MoveAction (document, pages, to_index);
+                 action.Do ();
diff --git a/pdfmod.spec b/pdfmod.spec
index bd588af..c013829 100644
--- a/pdfmod.spec
+++ b/pdfmod.spec
@@ -1,5 +1,5 @@
 Name:          pdfmod
-Version:       0.9.0
+Version:       0.9.1
 Release:       1mamba
 Summary:       A simple application for modifying PDF documents
 Group:         Graphical Desktop/Applications/Publishing
@@ -8,18 +8,24 @@ Distribution:  openmamba
 Packager:      Stefano Cotta Ramusino <stefano.cotta@openmamba.org>
 URL:           http://live.gnome.org/PdfMod
 Source:        http://ftp.gnome.org/pub/GNOME/sources/pdfmod/0.9/pdfmod-%{version}.tar.bz2
+Patch0:        pdfmod-0.9.1-mono-4.2.2.30.patch
 License:       GPL
-BuildRequires: gtk-sharp-devel
+## AUTOBUILDREQ-BEGIN
 BuildRequires: gnome-sharp-devel
+BuildRequires: gtk-sharp2-devel
+BuildRequires: mono-core
+## AUTOBUILDREQ-END
 BuildRequires: hyena-devel
-Requires:      gtk-sharp
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 With PDF Mod you can reorder, rotate, and remove pages, export images from a PDF, edit the title, subject, author, and keywords, and combine documents via drag and drop.
 
+#% debug_package
+
 %prep
 %setup -q
+%patch0 -p1
 
 %build
 %configure
@@ -44,5 +50,8 @@ With PDF Mod you can reorder, rotate, and remove pages, export images from a PDF
 %doc AUTHORS COPYING NEWS README
 
 %changelog
+* Fri Sep 25 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 0.9.1-1mamba
+- update to 0.9.1
+
 * Mon Oct 04 2010 Stefano Cotta Ramusino <stefano.cotta@openmamba.org> 0.9.0-1mamba
 - package created by autospec