diff --git a/.gitignore b/.gitignore
index fb74d9c..46ce53e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /1.1.0.tar.gz
 /1.2.1.tar.gz
 /1.2.2.tar.gz
+/1.2.3.tar.gz
diff --git a/python-tomli.spec b/python-tomli.spec
index 8323b81..c417f3e 100644
--- a/python-tomli.spec
+++ b/python-tomli.spec
@@ -5,8 +5,8 @@
 %bcond_with     bootstrap
 
 Name:           python-tomli
-Version:        1.2.2
-Release:        3%{?dist}
+Version:        1.2.3
+Release:        1%{?dist}
 Summary:        A little TOML parser for Python
 
 License:        MIT
@@ -90,6 +90,10 @@ test -f %{buildroot}%{python3_sitelib}/tomli-%{version}.dist-info/METADATA
 
 
 %changelog
+* Wed Feb 02 2022 Petr Viktorin <pviktori@redhat.com> - 1.2.3-1
+- Update to 1.2.3
+  - Allow lower case "t" and "z" in datetimes
+
 * Fri Jan 21 2022 Fedora Release Engineering <releng@fedoraproject.org> - 1.2.2-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild
 
diff --git a/sources b/sources
index 92ab53b..ff73aaf 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (1.2.2.tar.gz) = 460ad8ae9a342d82ef12911c0d0e246c1434a5d40d898e91f6c05bf37b7bf9921da05e004c36907d623a797a7a215c1c3faf3f9a2b940f3867b142847a188605
+SHA512 (1.2.3.tar.gz) = 270dbfe1df2e7f2692c35be5cc45e0b78e9e045e150fe959f4d6db8e3022126e7c17338636e57ba553fd928cbfd227938cfcd13128e1f05ee8cff29327594c61