diff --git a/CHANGELOG.md b/CHANGELOG.md
index f2ddf1c..d2cf3ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog for storage-manager-core
 
-## [v2.13.1] 2021-09-10
+## [v3.0.0-SNAPSHOT] 2021-09-10
   * fix  #21980
   * update gcube-bom version
   * add close operation on IClient interface
@@ -10,6 +10,7 @@
   * One pool for every operation: static Operation class; no mongo close operation
   * upgrade mongo-java-driver to 3.12.0
   * added input parameter to getSize method in order to be compatible with the needed of s3 client
+  * moved from version 2.13.1 to 3.0.0-SNAPSHOT
 
 ## [v2.9.0] 2019-10-19
   * SSL enabled
diff --git a/pom.xml b/pom.xml
index cc2f0b5..16f4c1a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
 	</parent>
   <groupId>org.gcube.contentmanagement</groupId>
   <artifactId>storage-manager-core</artifactId>
-  <version>2.13.1</version>
+  <version>3.0.0-SNAPSHOT</version>
 <!--   <properties> -->
 <!--   		<distroDirectory>${project.basedir}/distro</distroDirectory> -->
 <!--   </properties> -->