diff --git a/nautilus.spec b/nautilus.spec
index 94ed91c..7f77473 100644
--- a/nautilus.spec
+++ b/nautilus.spec
@@ -1,7 +1,7 @@
-%define majver %(echo %version | cut -d. -f 1-2)
+%define majver %(echo %version | cut -d. -f 1)
 
 Name:          nautilus
-Version:       3.38.1
+Version:       40.1
 Release:       1mamba
 Summary:       A graphical shell for the GNOME desktop enviornment
 Group:         Graphical Desktop/Applications/Utilities
@@ -23,7 +23,9 @@ BuildRequires: libgnome-autoar-devel
 BuildRequires: libgst-plugins-base-devel
 BuildRequires: libgstreamer-devel
 BuildRequires: libgtk3-devel
+BuildRequires: libhandy-devel
 BuildRequires: libpango-devel
+BuildRequires: libportal-devel
 BuildRequires: libtracker-devel
 ## AUTOBUILDREQ-END
 BuildRequires: libfam-devel
@@ -34,9 +36,9 @@ BuildRequires: libtracker-devel >= 2.1.2
 BuildRequires: gnome-desktop-devel >= %{majver}
 Requires:      gvfs
 Provides:      nautilus-cd-burner
-Obsoletes:     nautilus-cd-burner
+Obsoletes:     nautilus-cd-burner < 40.1
 Provides:      libeel
-Obsoletes:     libeel
+Obsoletes:     libeel < 40.1
 
 %description
 Nautilus is a graphical shell for the GNOME desktop enviornment that makes it easy to manage your files and the rest of your system.
@@ -138,6 +140,9 @@ fi
 #%{_datadir}/gtk-doc/html/libnautilus-extension/*
 
 %changelog
+* Mon May 03 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 40.1-1mamba
+- update to 40.1
+
 * Thu Nov 19 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 3.38.1-1mamba
 - update to 3.38.1