diff --git a/HPD-Simulator/release-note.md b/HPD-Simulator/release-note.md
index 789477f613a5fc190b064315df81897510a26441..c56d071da1733a38fdc0e133f9231821370e7e15 100755
--- a/HPD-Simulator/release-note.md
+++ b/HPD-Simulator/release-note.md
@@ -1,13 +1,19 @@
 ---
 title: Release note
 subtitle: HPDSimulator
-toolversion: 2.4.2
-releasedate: 2023-06-06
+toolversion: 2.4.3
+releasedate: 2023-06-12
 author: Malo TOUDIC
 function: Software Developer
 customer: IHE Europe
 reference: KER1-RNO-IHE-HPD_SIMULATOR
 ---
+# 2.4.3
+_Release date: 2023-06-12_
+
+__Bug__
+* \[[HPD-217](https://gazelle.ihe.net/jira/browse/HPD-217)\] Timestamp validator RegEx error
+
 # 2.4.2
 _Release date: 2023-06-06_