diff --git a/.classpath b/.classpath
index 7fad44a..d18427a 100644
--- a/.classpath
+++ b/.classpath
@@ -13,7 +13,7 @@
 			<attribute name="test" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
index 2f5cc74..2af1e7b 100644
--- a/.settings/org.eclipse.jdt.core.prefs
+++ b/.settings/org.eclipse.jdt.core.prefs
@@ -1,8 +1,8 @@
 eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
 org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e1fe3c0..1283b3f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 # Changelog for Gcube security
 
 
-## [v1.0.0] - 2022-05-23
+## [v1.0.0-SNAPSHOT]
 
 - First Release
 
diff --git a/pom.xml b/pom.xml
index bb07275..46469dc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
 	<groupId>org.gcube.common</groupId>
 	<artifactId>common-security</artifactId>
-	<version>1.0.0</version>
+	<version>1.0.0-SNAPSHOT</version>
 	<name>gcube security</name>
 
 	<scm>
diff --git a/src/main/java/org/gcube/common/security/secrets/Secret.java b/src/main/java/org/gcube/common/security/secrets/Secret.java
index 4e5b34f..db65c74 100644
--- a/src/main/java/org/gcube/common/security/secrets/Secret.java
+++ b/src/main/java/org/gcube/common/security/secrets/Secret.java
@@ -17,4 +17,5 @@ public abstract class Secret {
 	
 	public abstract boolean isValid();
 	
+	public abstract boolean isExpired();
 }