diff --git a/src/main/java/org/gcube/smartgears/configuration/container/ContainerConfigurationBinder.java b/src/main/java/org/gcube/smartgears/configuration/container/ContainerConfigurationBinder.java
index 1cf98ab..95cc640 100644
--- a/src/main/java/org/gcube/smartgears/configuration/container/ContainerConfigurationBinder.java
+++ b/src/main/java/org/gcube/smartgears/configuration/container/ContainerConfigurationBinder.java
@@ -8,6 +8,7 @@ import java.util.List;
 import java.util.Map.Entry;
 import java.util.stream.Collectors;
 
+import org.gcube.common.security.credentials.Credentials;
 import org.gcube.smartgears.configuration.ProxyAddress;
 import org.gcube.smartgears.handlers.container.ContainerHandler;
 import org.gcube.smartgears.handlers.container.lifecycle.AccountingManager;
@@ -16,7 +17,6 @@ import org.gcube.smartgears.persistence.LocalPersistence;
 import org.gcube.smartgears.persistence.PersistenceWriter;
 import org.gcube.smartgears.security.AuthorizationProvider;
 import org.gcube.smartgears.security.AuthorizationProviderFactory;
-import org.gcube.smartgears.security.Credentials;
 import org.gcube.smartgears.security.defaults.DefaultAuthorizationProviderFactory;
 import org.gcube.smartgears.utils.Utils;
 import org.ini4j.Ini;
diff --git a/src/main/java/org/gcube/smartgears/security/AuthorizationProviderFactory.java b/src/main/java/org/gcube/smartgears/security/AuthorizationProviderFactory.java
index c18bcd7..63d9eda 100644
--- a/src/main/java/org/gcube/smartgears/security/AuthorizationProviderFactory.java
+++ b/src/main/java/org/gcube/smartgears/security/AuthorizationProviderFactory.java
@@ -1,5 +1,7 @@
 package org.gcube.smartgears.security;
 
+import org.gcube.common.security.credentials.Credentials;
+
 public interface AuthorizationProviderFactory<T extends AuthorizationProvider> {
 
 	T connect(Credentials credentials);
diff --git a/src/main/java/org/gcube/smartgears/security/Credentials.java b/src/main/java/org/gcube/smartgears/security/Credentials.java
deleted file mode 100644
index 088a338..0000000
--- a/src/main/java/org/gcube/smartgears/security/Credentials.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package org.gcube.smartgears.security;
-
-public interface Credentials {
-
-}
diff --git a/src/main/java/org/gcube/smartgears/security/SimpleCredentials.java b/src/main/java/org/gcube/smartgears/security/SimpleCredentials.java
index b9aca8b..58ca17b 100644
--- a/src/main/java/org/gcube/smartgears/security/SimpleCredentials.java
+++ b/src/main/java/org/gcube/smartgears/security/SimpleCredentials.java
@@ -1,5 +1,6 @@
 package org.gcube.smartgears.security;
 
+import org.gcube.common.security.credentials.Credentials;
 import org.gcube.common.validator.annotations.NotEmpty;
 import org.gcube.common.validator.annotations.NotNull;
 
diff --git a/src/main/java/org/gcube/smartgears/security/defaults/DefaultAuthorizationProviderFactory.java b/src/main/java/org/gcube/smartgears/security/defaults/DefaultAuthorizationProviderFactory.java
index ba7fddf..e9d6cb3 100644
--- a/src/main/java/org/gcube/smartgears/security/defaults/DefaultAuthorizationProviderFactory.java
+++ b/src/main/java/org/gcube/smartgears/security/defaults/DefaultAuthorizationProviderFactory.java
@@ -1,8 +1,8 @@
 package org.gcube.smartgears.security.defaults;
 
+import org.gcube.common.security.credentials.Credentials;
 import org.gcube.common.validator.annotations.NotEmpty;
 import org.gcube.smartgears.security.AuthorizationProviderFactory;
-import org.gcube.smartgears.security.Credentials;
 import org.gcube.smartgears.security.SimpleCredentials;
 
 public class DefaultAuthorizationProviderFactory implements AuthorizationProviderFactory<DefaultAuthorizationProvider>{