diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index f2d48312..cb48cc8a 100755
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -8,6 +8,9 @@ v2.0.0
 
 Unreleased
 ------------------
+
+12.3.1 - 2021-05-13
+-------------------
 Fixed
  - Fix Windows deployment.