diff --git a/gwenhywfar-5.6.0.tar.gz b/gwenhywfar-5.6.0.tar.gz
deleted file mode 100644
index 9934392..0000000
--- a/gwenhywfar-5.6.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:57af46920991290372752164f9a7518b222f99bca2ef39c77deab57d14914bc7
-size 2394400
diff --git a/gwenhywfar-5.7.1.tar.gz b/gwenhywfar-5.7.1.tar.gz
new file mode 100644
index 0000000..bfc6a54
--- /dev/null
+++ b/gwenhywfar-5.7.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6b169663f3708c567717273bdd8e3b48b871f31ce73759d594dad7e9cc3114d1
+size 2605534
diff --git a/gwenhywfar.changes b/gwenhywfar.changes
index cc3e6ee..127b344 100644
--- a/gwenhywfar.changes
+++ b/gwenhywfar.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Tue Sep 14 14:03:41 UTC 2021 - Johannes Engel <jcnengel@gmail.com>
+
+- Update to 5.7.1
+  + Bugfixes
+  + Small improvements
+
 -------------------------------------------------------------------
 Wed Mar  3 11:58:23 UTC 2021 - Johannes Engel <jcnengel@gmail.com>
 
diff --git a/gwenhywfar.spec b/gwenhywfar.spec
index 850d29f..64697c6 100644
--- a/gwenhywfar.spec
+++ b/gwenhywfar.spec
@@ -18,14 +18,14 @@
 
 %define libversion 79
 %define devversion 5
-%define devrelease 5.6
+%define devrelease 5.7
 # Beta does not mean "before release" but a release that is considered as beta:
 %define _version %{version}
 %define _name gwenhywfar
 %define releasenumber 364
 %bcond_with configure
 Name:           gwenhywfar
-Version:        5.6.0
+Version:        5.7.1
 Release:        0
 Summary:        Multiplatform helper library for other libraries
 License:        GPL-2.0-or-later AND LGPL-2.1-or-later
@@ -194,6 +194,16 @@ some often needed functions (e.g. for handling and parsing of
 configuration files, reading/writing of XML files, interprocess
 communication etc).
 
+%package gwenbuild
+Summary:        Specific build system for the aqbanking universe
+License:        LGPL-2.1-or-later
+Group:          Development/Libraries/C and C++
+Requires:       %{name}-devel = %{version}
+
+%description gwenbuild
+Gwenbuild is a lightweight and fast build system tailored for the
+aqbanking universe.
+
 %lang_package
 
 %prep
@@ -305,4 +315,10 @@ find %{buildroot} -type f -name "*.la" -delete -print
 
 %files lang -f %{_name}.lang
 
+%files gwenbuild
+%dir %{_datadir}/gwenhywfar
+%{_datadir}/gwenhywfar/gwenbuild
+%{_datadir}/gwenbuild
+%{_bindir}/gwbuild
+
 %changelog