diff --git a/libtasn1.spec b/libtasn1.spec
index 4add3f6..dbfd0be 100644
--- a/libtasn1.spec
+++ b/libtasn1.spec
@@ -1,6 +1,6 @@
 Name:          libtasn1
 Release:       1mamba
-Version:       4.16.0
+Version:       4.17.0
 Summary:       The ASN.1 library used in GNUTLS
 Group:         System/Libraries
 Vendor:        openmamba
@@ -8,14 +8,11 @@ Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://www.gnu.org/software/gnutls/
 Source:        http://ftp.gnu.org/gnu/libtasn1/libtasn1-%{version}.tar.gz
-##ftp://ftp.gnupg.org/gcrypt/alpha/gnutls/libtasn1/libtasn1-%{version}.tar.gz
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ldconfig
 ## AUTOBUILDREQ-END
 Requires(post):%{__install_info}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 The ASN.1 library used in GNUTLS.
@@ -23,12 +20,13 @@ The ASN.1 library used in GNUTLS.
 %package devel
 Group:         Development/Libraries
 Summary:       Static libraries and headers for %{name}
-Requires:      %{name} = %{version}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 
 %description devel
 The ASN.1 library used in GNUTLS.
+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
@@ -48,15 +46,16 @@ This package contains static libraries and header files need for development.
 
 %post devel
 %install_info %{name}.info
+:
 
 %preun devel
 %uninstall_info %{name}.info
-exit 0
+:
 
 %files
 %defattr(-,root,root)
 %{_libdir}/libtasn1.so.*
-%doc AUTHORS LICENSE
+%doc AUTHORS COPYING
 
 %files devel
 %defattr(-,root,root)
@@ -73,6 +72,9 @@ exit 0
 %doc ChangeLog NEWS THANKS
 
 %changelog
+* Sat May 15 2021 Automatic Build System <autodist@mambasoft.it> 4.17.0-1mamba
+- automatic version update by autodist
+
 * Fri Feb 07 2020 Automatic Build System <autodist@mambasoft.it> 4.16.0-1mamba
 - automatic version update by autodist