diff --git a/LICENSE b/LICENSE
index 5b70e7d..e1ace7a 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020-2022, Univ. Artois and CNRS
+Copyright (c) 2020-2023, Univ. Artois and CNRS
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index 2d8b2e4..9c141ee 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,9 @@
 </div>
 
 ACE (AbsCon Essence) is an open-source constraint solver developed by Christophe Lecoutre (CRIL) in Java.
-ACE is embedded in the Python modeling library [PyCSP3](https://pycsp.org/), and is a competitive solver as shown by results of the [2022 XCSP3 competition](https://www.cril.univ-artois.fr/XCSP22/).
+ACE is embedded in the Python modeling library [PyCSP3](https://pycsp.org/), and is a competitive solver as shown by results of the [2022 XCSP3 competition](https://www.cril.univ-artois.fr/XCSP22/) and [2023 XCSP3 competition](https://www.cril.univ-artois.fr/XCSP23/).
 
-Current stable version of ACE is 2.1 (November 10, 2022).
+Current stable version of ACE is 2.2 (December 05, 2022).
 
 ACE focuses on:
 - integer variables, including 0/1 (Boolean) variables,
diff --git a/build.gradle b/build.gradle
index 80d474c..c258eed 100644
--- a/build.gradle
+++ b/build.gradle
@@ -11,7 +11,7 @@ java {
 //targetCompatibility = 1.11 
 
 archivesBaseName = "ACE"
-version = '2.1'
+version = '2.2'
  
 repositories {
  mavenCentral()
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