diff --git a/CHANGELOG.md b/CHANGELOG.md
index ed3fe99..33338e0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@
 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).
 
+## [v2.5.0-SNAPSHOT]
+
+Deprecated AccessTokenProvider, AuthorizationProvider and SecurityTokenProvider
+
 ## [v2.4.0] - [2021-05-21]
 
 JWTUmaTokenProvider changed to AccessTokenProvider
diff --git a/pom.xml b/pom.xml
index 1b0a6db..f1debc3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
     	<modelVersion>4.0.0</modelVersion>
     	<groupId>org.gcube.common</groupId>
     	<artifactId>common-authorization</artifactId>
-    	<version>2.4.0</version>
+    	<version>2.5.0-SNAPSHOT</version>
     	<name>authorization service common library</name>
 
     	<parent>
diff --git a/src/main/java/org/gcube/common/authorization/library/provider/AccessTokenProvider.java b/src/main/java/org/gcube/common/authorization/library/provider/AccessTokenProvider.java
index de49cd1..e118d33 100644
--- a/src/main/java/org/gcube/common/authorization/library/provider/AccessTokenProvider.java
+++ b/src/main/java/org/gcube/common/authorization/library/provider/AccessTokenProvider.java
@@ -1,5 +1,6 @@
 package org.gcube.common.authorization.library.provider;
 
+@Deprecated
 public class AccessTokenProvider {
 
     public static AccessTokenProvider instance = new AccessTokenProvider();
diff --git a/src/main/java/org/gcube/common/authorization/library/provider/AuthorizationProvider.java b/src/main/java/org/gcube/common/authorization/library/provider/AuthorizationProvider.java
index 7433280..eed2fe2 100644
--- a/src/main/java/org/gcube/common/authorization/library/provider/AuthorizationProvider.java
+++ b/src/main/java/org/gcube/common/authorization/library/provider/AuthorizationProvider.java
@@ -2,6 +2,7 @@ package org.gcube.common.authorization.library.provider;
 
 import org.gcube.common.authorization.library.utils.Caller;
 
+@Deprecated
 public class AuthorizationProvider {
 
 	public static AuthorizationProvider instance = new AuthorizationProvider();
diff --git a/src/main/java/org/gcube/common/authorization/library/provider/SecurityTokenProvider.java b/src/main/java/org/gcube/common/authorization/library/provider/SecurityTokenProvider.java
index 525d156..c80d323 100644
--- a/src/main/java/org/gcube/common/authorization/library/provider/SecurityTokenProvider.java
+++ b/src/main/java/org/gcube/common/authorization/library/provider/SecurityTokenProvider.java
@@ -1,6 +1,6 @@
 package org.gcube.common.authorization.library.provider;
 
-
+@Deprecated
 public class SecurityTokenProvider {
 
 	public static SecurityTokenProvider instance = new SecurityTokenProvider();