diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b83d222
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target/
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..872c0a6
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,48 @@
+
+# Changelog
+
+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).
+
+
+## [v2.2.1] - [2019-01-14]
+
+endpoint updated for https
+
+
+
+## [v2.1.6] - [2019-01-14]
+
+added ListMapper
+
+
+
+## [v2.1.3] - [2019-01-14]
+
+added the support for authorization control library
+
+
+
+
+## [v2.0.2] - [2017-02-27]
+
+added set and reset of scope in AuthorizedTask
+
+
+
+
+## [v2.0.0] - [2016-09-30]
+
+new model for auth2
+
+
+
+
+## [v1.0.0] - [2015-05-18]
+
+First Release
+
+
+
+
+
diff --git a/pom.xml b/pom.xml
index e0ab869..bf1d0d2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,6 +4,7 @@
     	<groupId>org.gcube.common</groupId>
     	<artifactId>common-authorization</artifactId>
     	<version>2.3.0-SNAPSHOT</version>
+    	<version>2.2.1</version>
     	<name>authorization service common library</name>
 
     	<parent>
@@ -95,4 +96,4 @@
     		</plugins>
     	</build>
 
-    </project>
\ No newline at end of file
+    </project>