diff --git a/libidn2-2.3.0.tar.lz b/libidn2-2.3.0.tar.lz
deleted file mode 100644
index 4dad8e3..0000000
Binary files a/libidn2-2.3.0.tar.lz and /dev/null differ
diff --git a/libidn2.spec b/libidn2.spec
index 4126191..32bcabd 100644
--- a/libidn2.spec
+++ b/libidn2.spec
@@ -1,5 +1,5 @@
 Name:          libidn2
-Version:       2.3.0
+Version:       2.3.1
 Release:       1mamba
 Summary:       A free software implementation of IDNA2008, Punycode and TR46
 Group:         System/Libraries
@@ -7,16 +7,14 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://www.gnu.org/software/libidn/
-Source:        https://ftp.gnu.org/gnu/libidn/libidn2-%{version}.tar.lz
+Source:        https://ftp.gnu.org/gnu/libidn/libidn2-%{version}.tar.gz
 License:       GPL, LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ldconfig
 BuildRequires: libunistring-devel
 ## AUTOBUILDREQ-END
 Requires(post): %{__install_info}
 Requires(preun): %{__install_info}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Libidn2 is a free software implementation of IDNA2008, Punycode and TR46. Its purpose is to encode and decode internationalized domain names.
@@ -92,5 +90,8 @@ exit 0
 %{_mandir}/man1/idn2.1*
 
 %changelog
+* Fri May 21 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 2.3.1-1mamba
+- update to 2.3.1
+
 * Sat Nov 28 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 2.3.0-1mamba
 - package created using the webbuild interface