diff --git a/libbraille.spec b/libbraille.spec
index 342a6f8..7f0b44c 100644
--- a/libbraille.spec
+++ b/libbraille.spec
@@ -1,6 +1,6 @@
 Name:          libbraille
 Version:       0.19.0
-Release:       2mamba
+Release:       3mamba
 Summary:       A library which makes it possible to easily develop for Braille displays
 Group:         System/Libraries
 Vendor:        openmamba
@@ -11,9 +11,10 @@ Source:        http://prdownloads.sourceforge.net/libbraille/libbraille-%{versio
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libusb0-devel
+BuildRequires: libudev-devel
+BuildRequires: libusb-compat-devel
+BuildRequires: libusb-devel
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Libbraille is a computer shared library which makes it possible to easily develop for Braille displays. It provides a simple API to write text on the display, directly draw dots, or get the value of keys pressed on the Braille keyboard.
@@ -25,12 +26,13 @@ Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 
 %description devel
 Libbraille is a computer shared library which makes it possible to easily develop for Braille displays. It provides a simple API to write text on the display, directly draw dots, or get the value of keys pressed on the Braille keyboard.
+This package contains static libraries and header files needed for development.
 
-This package contains static libraries and header files need for development.
+%debug_package
 
 %prep
-
 %setup -q
+sed -i "s,| arm-\*  |,| aarch64-\* | arm-\*  |," config.sub libltdl/config.sub
 
 %build
 %configure
@@ -52,7 +54,7 @@ This package contains static libraries and header files need for development.
 %{_libdir}/libbraille/*
 %dir %{_datadir}/libbraille
 %{_datadir}/libbraille/*
-%doc AUTHORS COPYING ChangeLog README TODO
+%doc AUTHORS COPYING
 
 %files devel
 %defattr(-,root,root)
@@ -61,8 +63,12 @@ This package contains static libraries and header files need for development.
 %{_libdir}/libbraille.la
 %{_libdir}/libbraille.so
 %{_includedir}/*.h
+%doc ChangeLog README TODO
 
 %changelog
+* Sat May 08 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.19.0-3mamba
+- rebuilt with aarch64 build fix and debug package
+
 * Sat Aug 03 2013 Automatic Build System <autodist@mambasoft.it> 0.19.0-2mamba
 - automatic rebuild by autodist