diff --git a/liblangtag.spec b/liblangtag.spec
index 1a83647..04c1ed2 100644
--- a/liblangtag.spec
+++ b/liblangtag.spec
@@ -1,5 +1,5 @@
 Name:          liblangtag
-Version:       0.6.2
+Version:       0.6.3
 Release:       1mamba
 Summary:       An interface library to access/deal with tags for identifying languages
 Group:         System/Libraries
@@ -12,13 +12,11 @@ Patch0:        liblangtag-0.5.1-gcc-4.5.patch
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libffi-devel
 BuildRequires: libglib-devel
 BuildRequires: liblzma-devel
 BuildRequires: libxml2-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 liblangtag is an interface library to access/deal with tags for identifying languages, which is described in RFC 5646.
@@ -44,11 +42,13 @@ This package includes the %{name} API documentation.
 %debug_package
 
 %prep
-%setup -q
+%setup -q -D -T
 #%patch0 -p1
 
 %build
-%configure --enable-gtk-doc
+%configure
+#--enable-gtk-doc
+
 %make
 
 %install
@@ -97,6 +97,9 @@ This package includes the %{name} API documentation.
 %{_datadir}/gtk-doc/html/liblangtag/*
 
 %changelog
+* Fri Jun 11 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.6.3-1mamba
+- update to 0.6.3
+
 * Fri Nov 04 2016 Automatic Build System <autodist@mambasoft.it> 0.6.2-1mamba
 - automatic version update by autodist