diff --git a/HPD-Simulator/release-note.md b/HPD-Simulator/release-note.md
index c56d071da1733a38fdc0e133f9231821370e7e15..e845f37119f35343537d3ca9a02d9de7050ec2b1 100755
--- a/HPD-Simulator/release-note.md
+++ b/HPD-Simulator/release-note.md
@@ -1,13 +1,19 @@
 ---
 title: Release note
 subtitle: HPDSimulator
-toolversion: 2.4.3
-releasedate: 2023-06-12
+toolversion: 2.4.4
+releasedate: 2023-12-07
 author: Malo TOUDIC
 function: Software Developer
 customer: IHE Europe
 reference: KER1-RNO-IHE-HPD_SIMULATOR
 ---
+# 2.4.4
+_Release date: 2023-12-07_
+
+__Bug__
+* \[[HPD-220](https://gazelle.ihe.net/jira/browse/HPD-220)\] [CH:HPD] UID Format: . and _ need to be added to the list of special characters that don't need to be escaped
+
 # 2.4.3
 _Release date: 2023-06-12_