diff --git a/CHANGELOG.md b/CHANGELOG.md
index aa2468d..dbfdb6b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+
+## [v2.5.1-SNAPSHOT] -2021-09-09
+
+- Fixed attachment issue #21972
+
 ## [v2.5.0] -2021-07-28
 
 - Ported to git
diff --git a/pom.xml b/pom.xml
index 844a798..63786ff 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
 	<groupId>org.gcube.portets.user</groupId>
 	<artifactId>messages</artifactId>
 	<packaging>war</packaging>
-	<version>2.5.0</version>
+	<version>2.5.1-SNAPSHOT</version>
 	<description>
 		gCube Messages Portlet for exchanging messages with other users.
 	</description>