From 925b9a9dc06d79a2ba9f271c1e2fccb0d593db13 Mon Sep 17 00:00:00 2001
From: Eduardo Rodrigues <eduardo.rodrigues@cern.ch>
Date: Mon, 12 Jun 2023 13:40:54 +0200
Subject: [PATCH] Prepare for release 0.22.1 (#501)

---
 docs/CHANGELOG.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 6552b86c..55ceb9bf 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,6 +1,18 @@
 Changelog
 =========
 
+Version 0.22.1
+--------------
+
+June 12th, 2023
+
+- `Particle` class and submodules:
+  - Added support for providing spin for SUSY particles, with tests.
+- Tests:
+  - Test added for particles that should be assigned None masses.
+  - Updates to pre-commit hooks.
+
+
 Version 0.22.0
 --------------