diff --git a/.gitignore b/.gitignore
index 7835677..60b4595 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,3 +31,4 @@
 /autobahn-python-19.10.1.tar.gz
 /autobahn-python-20.7.1.tar.gz
 /autobahn-20.12.2.tar.gz
+/autobahn-20.12.3.tar.gz
diff --git a/python-autobahn.spec b/python-autobahn.spec
index 9054e44..de19bab 100644
--- a/python-autobahn.spec
+++ b/python-autobahn.spec
@@ -1,7 +1,7 @@
 %global pypi_name autobahn
 
 Name:           python-%{pypi_name}
-Version:        20.12.2
+Version:        20.12.3
 Release:        1%{?dist}
 Summary:        Python networking library for WebSocket and WAMP
 
@@ -84,6 +84,9 @@ USE_ASYNCIO=1 %pytest --pyargs autobahn -k 'not test_no_memory_arg and not test_
 %license LICENSE
 
 %changelog
+* Thu Dec 24 2020 Fabian Affolter <mail@fabian-affolter.ch> - 2.0.3-1
+- Update to new upstream release 20.12.3 (#1909439)
+
 * Wed Dec 16 2020 Fabian Affolter <mail@fabian-affolter.ch> - 2.0.2-1
 - Simplify and update spec file
 - Update to new upstream release 20.12.2 (#1907237)
diff --git a/sources b/sources
index 0e3a412..bfdc875 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (autobahn-20.12.2.tar.gz) = c860486ea6539a85e93470d4bab56f0f1518edf6fc710e5a0aea9f85cec23993ab83d73d0029ef74e781a83822733d4b0d02103298a032953e81703e27a011e6
+SHA512 (autobahn-20.12.3.tar.gz) = 1b4dd1318e4b8d52722a5b94f58d306e38dea9967892a18705590ab3119c712d545217d495787711edd160141dc2a7c776f6868661d8b458353fcae5c3728a11