diff --git a/.gitignore b/.gitignore
index ca224d0..2257072 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,3 +25,4 @@ mdds_0.3.0.tar.bz2
 /mdds-1.2.0.tar.bz2
 /mdds-1.2.1.tar.bz2
 /mdds-1.2.2.tar.bz2
+/mdds-1.2.3.tar.bz2
diff --git a/mdds.spec b/mdds.spec
index d195060..c8169e0 100644
--- a/mdds.spec
+++ b/mdds.spec
@@ -4,8 +4,8 @@
 %global apiversion 1.2
 
 Name: mdds
-Version: 1.2.2
-Release: 3%{?dist}
+Version: 1.2.3
+Release: 1%{?dist}
 Summary: A collection of multi-dimensional data structures and indexing algorithms
 
 Group: Development/Libraries
@@ -38,7 +38,7 @@ It implements the following data structures:
 * multi type matrix
 * multi type vector
 
-See README for a brief description of the structures.
+See README.md for a brief description of the structures.
 
 %prep
 %autosetup -p1
@@ -48,7 +48,7 @@ See README for a brief description of the structures.
 
 %install
 %make_install
-rm -rf %{buildroot}%{_docdir}/%{name}-%{apiversion}
+rm -rf %{buildroot}%{_docdir}/%{name}
 
 %check
 make check %{?_smp_mflags}
@@ -56,10 +56,13 @@ make check %{?_smp_mflags}
 %files devel
 %{_includedir}/%{name}-%{apiversion}
 %{_datadir}/pkgconfig/%{name}-%{apiversion}.pc
-%doc AUTHORS CHANGELOG README.md
-%license LICENSE
+%doc AUTHORS NEWS README.md
+%license COPYING
 
 %changelog
+* Thu May 25 2017 David Tardon <dtardon@redhat.com> - 1.2.3-1
+- new upstream release
+
 * Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.2.2-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
 
diff --git a/sources b/sources
index 6a0652d..529cd6b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-8855cf852a6088cfdc792c6f7ceb0243  mdds-1.2.2.tar.bz2
+SHA512 (mdds-1.2.3.tar.bz2) = e5935fd99a53df124532cfc8e46349b2ef9ca79f5f184ca2da941c9a77e66ee40e11478e520bf9cb62e1bcea4b69deab5088265e1b89fda04417130aab227c3d