diff --git a/README.md b/README.md
index f816871..5434be4 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Authorization Library
 
-Authorization library is a library that provides a Spring Security (4.x.x) process
+Authorization library is a library that provides a Spring Security (6.x.x) process
 in order to authorize the endpoints of a service base on OpenAIRE Authorities.
 It can be used with two different session strategies, a stateless and
 a Redis http session.
@@ -19,7 +19,7 @@ user's session, but with a cost of an extra http request per request.
     <dependency>
         <groupId>eu.dnetlib</groupId>
         <artifactId>uoa-authorization-library</artifactId>
-        <version>2.1.2</version>
+        <version>3.0.0</version>
     </dependency>
 
 #### Spring Application/Configuration
@@ -38,6 +38,7 @@ user's session, but with a cost of an extra http request per request.
 
     authorization.security.userInfoUrl = http://<domain>/login-service/userInfo # Required, default ""
     authorization.security.session=<session-cookie-name> # Default openAIRESession
+    authorization.security.domain=<domain-suffix> # e.g openaire.eu Default: di.uoa.gr
 
 ## Redis
 
@@ -53,7 +54,7 @@ where session is stored.
     <dependency>
         <groupId>eu.dnetlib</groupId>
         <artifactId>uoa-authorization-library</artifactId>
-        <version>2.1.2</version>
+        <version>3.0.0</version>
         <classifier>redis</classifier>
     </dependency>
 
@@ -74,7 +75,7 @@ where session is stored.
     authorization.secuirty.redis.host=<redis-ip> # Default localhost
     authorization.secuirty.redis.port=<redis-port> # Default 6379
     authorization.secuirty.redis.password=<redis-password> # Default ""
-    authorization.security.domain=<domain-suffix> # e.g openaire.eu
+    authorization.security.domain=<domain-suffix> # e.g openaire.eu Default: di.uoa.gr
     authorization.security.session=<session-cookie-name> # Default openAIRESession
 
 
@@ -118,35 +119,3 @@ e.g
     + ")")
     @RequestMapping(value = "{type}/{id}", method = RequestMethod.GET)
     public Entity getEntity(@PathVariable("type") String type, @PathVariable("id") String id) {}
-
-## Spring Security (5.x.x) - Spring boot (2.x.x)
-
-Because of MitreID dependency, in order to use this library
-with redis HttpSession, service has to use spring security (4.x.x).
-The only way to use this library in a project with spring security 5.x.x
-is the Stateless strategy with the following modification in Application
-class:
-
-    import eu.dnetlib.uoaauthorizationlibrary.configuration.AuthorizationConfiguration;    
-
-    @PropertySources({@PropertySource("classpath:authorization.properties")})
-    @Import(AuthorizationConfiguration.class)
-    public class Application {
-
-        public static void main(String[] args) {
-            SpringApplication.run(Application.class, args);
-        }
-
-        @Bean
-        public WebMvcConfigurer corsConfigurer() {
-            return new WebMvcConfigurer() {
-                    @Override
-                    public void addCorsMappings(CorsRegistry registry) {
-                        registry.addMapping("/**")
-                                .allowedMethods("GET", "POST", "PUT", "DELETE", "HEAD", "OPTIONS")
-                                .allowedOriginPatterns("*")
-                                .allowCredentials(true);
-                    }
-            };
-        }   
-    }
\ No newline at end of file
diff --git a/src/main/java/eu/dnetlib/uoaauthorizationlibrary/controllers/AuthorizationLibraryCheckDeployController.java b/src/main/java/eu/dnetlib/uoaauthorizationlibrary/controllers/AuthorizationLibraryCheckDeployController.java
index 41d5782..0af5241 100644
--- a/src/main/java/eu/dnetlib/uoaauthorizationlibrary/controllers/AuthorizationLibraryCheckDeployController.java
+++ b/src/main/java/eu/dnetlib/uoaauthorizationlibrary/controllers/AuthorizationLibraryCheckDeployController.java
@@ -6,7 +6,6 @@ import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.access.prepost.PreAuthorize;
-import org.springframework.web.bind.annotation.CrossOrigin;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RestController;
diff --git a/src/main/java/eu/dnetlib/uoaauthorizationlibrary/stateless/security/AuthorizationFilter.java b/src/main/java/eu/dnetlib/uoaauthorizationlibrary/stateless/security/AuthorizationFilter.java
index a7cf777..74ce529 100644
--- a/src/main/java/eu/dnetlib/uoaauthorizationlibrary/stateless/security/AuthorizationFilter.java
+++ b/src/main/java/eu/dnetlib/uoaauthorizationlibrary/stateless/security/AuthorizationFilter.java
@@ -18,7 +18,6 @@ public class AuthorizationFilter implements Filter {
         this.authorizationProvider = authorizationProvider;
     }
 
-
     @Override
     public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
         if (request instanceof HttpServletRequest req) {
diff --git a/src/main/java/eu/dnetlib/uoaauthorizationlibrary/stateless/security/WebSecurityConfig.java b/src/main/java/eu/dnetlib/uoaauthorizationlibrary/stateless/security/WebSecurityConfig.java
index 8484741..039e192 100644
--- a/src/main/java/eu/dnetlib/uoaauthorizationlibrary/stateless/security/WebSecurityConfig.java
+++ b/src/main/java/eu/dnetlib/uoaauthorizationlibrary/stateless/security/WebSecurityConfig.java
@@ -24,7 +24,6 @@ public class WebSecurityConfig {
         this.filter = filter;
     }
 
-
     @Bean
     public EntryPoint entryPoint() {
         return new EntryPoint();