From 62db55d371c8c5db1fe88139ba82b822cd8eb803 Mon Sep 17 00:00:00 2001
From: Hantao Cui <cuihantao@gmail.com>
Date: Sun, 4 Feb 2024 21:31:43 +0000
Subject: [PATCH] Update

---
 docs/source/release-notes.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/source/release-notes.rst b/docs/source/release-notes.rst
index 37af23050..92a524c54 100644
--- a/docs/source/release-notes.rst
+++ b/docs/source/release-notes.rst
@@ -9,6 +9,10 @@ The APIs before v3.0.0 are in beta and may change without prior notice.
 v1.9 Notes
 ==========
 
+v1.3.1 (2024-02-04)
+-------------------
+This is a hotfix to pass ``pip check`` for KVXOPT version.
+
 v1.9.0 (2024-02-01)
 -------------------
 - Initially, ``dae.t`` is set to ``-1.0`` during power flow calculation. TDS