diff --git a/nng.spec b/nng.spec
index 99ebd71..3b50e9d 100644
--- a/nng.spec
+++ b/nng.spec
@@ -1,6 +1,6 @@
 Name:     nng
-Version:  1.1.1
-Release:  3%{?dist}
+Version:  1.2.3
+Release:  1%{?dist}
 Summary:  nanomsg next generation: light-weight brokerless messaging
 License:  MIT
 URL:      https://nanomsg.github.io/nng/
@@ -69,6 +69,9 @@ rm -rf %{buildroot}/%{_mandir}/man[3-7]*
 %{_mandir}/man1/nngcat.1.gz
 
 %changelog
+* Mon Jan 13 2020 Peter Robinson <pbrobinson@fedoraproject.org> 1.2.3-1
+- Update to 1.2.3
+
 * Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.1-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
 
diff --git a/sources b/sources
index 69d3537..f72b85b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (nng-1.1.1.tar.gz) = 9b05a7bff99f49af7d9c2926770c71b5825cdebd914cc5120060ce55358004c16a5f6c3b8fadb1061d7ddf8f92ccef8a3b3d7f59152de11a86719ac35dbf8eb3
+SHA512 (nng-1.2.3.tar.gz) = afc8ab9d7bab02fe5bcf43ae1989995b95de3d1caf1fcfebb57c7c3ef894f6f331caa9082828a4ba457df73dd9d89a8aeb726d0943dfc8293dd4f5555afb36d5