From 1bdf04c36de792274185f87a86f071148ca703b7 Mon Sep 17 00:00:00 2001
From: Andreas Suter <andreas.suter@psi.ch>
Date: Fri, 17 Feb 2023 08:32:41 +0100
Subject: [PATCH] updated ChangeLog.

---
 ChangeLog | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 21087ece..b72f1caa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,6 +12,15 @@ or
 
 https://bitbucket.org/muonspin/musrfit/commits/all
 
+Release of V1.9.0, 2023/02/17
+=============================
+
+add depth profile user lib:
+A.F.A. Simões, et al.
+Muon implantation experiments in films: obtaining depth-resolved information
+Review of Scientific Instruments. 2020; 91(2): 023906 (7 pp.).
+
+
 Release of V1.8.2, 2022/12/03
 =============================