diff --git a/Gazelle-Objects-Checker/release-note.md b/Gazelle-Objects-Checker/release-note.md
index fb037139fec0fddbebbb6cfa73680d8cce988241..05fc3808186c95091fe16f6b9c538b9f7aaa4481 100755
--- a/Gazelle-Objects-Checker/release-note.md
+++ b/Gazelle-Objects-Checker/release-note.md
@@ -1,14 +1,24 @@
 ---
 title: Release note
 subtitle: Gazelle Objects Checker
-toolversion: 3.1.0
+toolversion: 3.1.1
 releasedate: 2022-06-29
-author: Nabila AAZIBOU EL GERRAB
-function: JAVA development intern
+author: Achraf ACHKARI-BEGDOURI
+function: Software engineer
 customer: IHE Europe
 reference: KER1-RNO-IHE-GOC
 ---
 
+# 3.1.1
+
+_Release date: 2022-10-24_
+
+__Bug__
+* \[[GOC-247](https://gazelle.ihe.net/jira/browse/GOC-247)\] Cardinality processing issue with same name elements
+
+__Improvement__
+* \[[GOC-248](https://gazelle.ihe.net/jira/browse/GOC-248)\] Improve Generation Performance
+
 # 3.1.0
 
 _Release date: 2022-06-29_