diff --git a/CHANGELOG.md b/CHANGELOG.md
index 85b23c3..f2cbcf4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 ## [v2.3.0-SNAPSHOT]
 
 - Added support for 'client_id' and backward compatibility with 'clientId' claim #25802
+- Deprecated class which will be no longer available in Smartgears 4 based components
 
 ## [v2.2.0]
 
diff --git a/src/main/java/org/gcube/common/authorization/utils/secret/SecretUtility.java b/src/main/java/org/gcube/common/authorization/utils/secret/SecretUtility.java
index 3f9672d..ff1c540 100644
--- a/src/main/java/org/gcube/common/authorization/utils/secret/SecretUtility.java
+++ b/src/main/java/org/gcube/common/authorization/utils/secret/SecretUtility.java
@@ -4,7 +4,10 @@ import java.util.regex.Pattern;
 
 /**
  * @author Luca Frosini (ISTI - CNR)
+ * This call will be no more available in  
+ * component Smartgears 4 based
  */
+@Deprecated
 public class SecretUtility {
 
 	public static final String UUID_REGEX = "^([a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}-[a-fA-F0-9]{8,9}){1}$";