diff --git a/src/main/java/fr/univ_lille/gitlab/classrooms/ui/WebSecurityConfiguration.java b/src/main/java/fr/univ_lille/gitlab/classrooms/ui/WebSecurityConfiguration.java
index 0f3c831..00a9783 100644
--- a/src/main/java/fr/univ_lille/gitlab/classrooms/ui/WebSecurityConfiguration.java
+++ b/src/main/java/fr/univ_lille/gitlab/classrooms/ui/WebSecurityConfiguration.java
@@ -2,12 +2,16 @@ package fr.univ_lille.gitlab.classrooms.ui;
 
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.jdbc.core.JdbcOperations;
 import org.springframework.security.config.Customizer;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.security.core.authority.mapping.GrantedAuthoritiesMapper;
+import org.springframework.security.oauth2.client.JdbcOAuth2AuthorizedClientService;
+import org.springframework.security.oauth2.client.OAuth2AuthorizedClientService;
+import org.springframework.security.oauth2.client.registration.ClientRegistrationRepository;
 import org.springframework.security.oauth2.core.user.OAuth2UserAuthority;
 import org.springframework.security.web.SecurityFilterChain;
 import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
@@ -58,4 +62,9 @@ public class WebSecurityConfiguration implements WebMvcConfigurer {
         };
     }
 
+    @Bean
+    OAuth2AuthorizedClientService oAuth2AuthorizedClientService(JdbcOperations jdbcOperations, ClientRegistrationRepository clientRegistrationRepository){
+        return new JdbcOAuth2AuthorizedClientService(jdbcOperations, clientRegistrationRepository);
+    }
+
 }