diff --git a/EPR-RMU-Simulator/release-note.md b/EPR-RMU-Simulator/release-note.md
index f1242cef0a46702e6719d832c448bf70131e8f90..b89e903c05ce988f19a18396755df1a781a3b4d2 100644
--- a/EPR-RMU-Simulator/release-note.md
+++ b/EPR-RMU-Simulator/release-note.md
@@ -3,14 +3,22 @@ title:  Release note
 subtitle: RMU Simulator
 author: Youn Cadoret
 function: Developer
-releasedate: 2019-08-02
-toolversion: 1.3.0
+releasedate: 2019-09-20
+toolversion: 1.3.1
 version: 1.0
 status: To be reviewed
 reference: KER1-RNO-IHE-RMU_SIMULATOR
 customer: IHE-EUROPE
 ---
 
+# 1.3.1
+_Release date: 2019-09-20_
+
+__Bug__
+
+* \[[RMU-3](https://gazelle.ihe.net/jira/browse/RMU-3)\] RMU Registry Simulator - Wrong message id in WS-Addressing header
+
+
 # 1.3.0
 _Release date: 2019-08-02_