diff --git a/hosts/vm/mediakiwi/category-lockdown.patch b/hosts/vm/mediakiwi/category-lockdown.patch
index 7816d48..37de940 100644
--- a/hosts/vm/mediakiwi/category-lockdown.patch
+++ b/hosts/vm/mediakiwi/category-lockdown.patch
@@ -1,8 +1,8 @@
 diff --git a/CategoryLockdown.php b/CategoryLockdown.php
-index 3309c52..c4f4cb0 100644
+index 1e17ec7..8108615 100644
 --- a/CategoryLockdown.php
 +++ b/CategoryLockdown.php
-@@ -15,6 +16,8 @@ class CategoryLockdown {
+@@ -16,6 +16,8 @@ class CategoryLockdown {
  	 */
  	public static function onGetUserPermissionsErrors( $title, $user, $action, &$result ) {
  		global $wgCategoryLockdown;
@@ -11,7 +11,7 @@ index 3309c52..c4f4cb0 100644
  
  		$explicitGroups = MediaWikiServices::getInstance()->getUserGroupManager()->getUserGroups( $user );
  		$implicitGroups = MediaWikiServices::getInstance()->getUserGroupManager()->getUserImplicitGroups( $user );
-@@ -25,6 +28,11 @@ class CategoryLockdown {
+@@ -26,6 +28,11 @@ class CategoryLockdown {
  			return;
  		}
  
@@ -23,7 +23,7 @@ index 3309c52..c4f4cb0 100644
  		$categories = array_keys( $title->getParentCategories() );
  
  		// Apply rules to the category page itself
-@@ -32,16 +40,11 @@ class CategoryLockdown {
+@@ -33,16 +40,11 @@ class CategoryLockdown {
  			$categories[] = $title->getFullText();
  		}
  
@@ -42,7 +42,7 @@ index 3309c52..c4f4cb0 100644
  			if ( !$permissions ) {
  				continue;
  			}
-@@ -56,15 +59,44 @@ class CategoryLockdown {
+@@ -57,15 +59,44 @@ class CategoryLockdown {
  				$combinedGroups[] = $allowedGroup;
  			}
  		}
@@ -72,7 +72,7 @@ index 3309c52..c4f4cb0 100644
 +				continue; # Skip if this group rule doesn’t match the user
 +			}
 +
-+			$requiredCat = $groupCategories[$action];
++			$requiredCat = $groupCategories[ $action ] ?? null;
 +			if ( $requiredCat == null ) {
 +				continue;
 +			}
diff --git a/hosts/vm/mediakiwi/mediawiki.nix b/hosts/vm/mediakiwi/mediawiki.nix
index 9d4e376..6279eb9 100644
--- a/hosts/vm/mediakiwi/mediawiki.nix
+++ b/hosts/vm/mediakiwi/mediawiki.nix
@@ -146,6 +146,7 @@ in
       $wgGroupPermissions['*']['delete'] = true; # Création de comptes depuis LDAP et Note mais pas local
       $wgCategoryLockdownWhitelist = [
         "Spécial:Connexion",
+        "Spécial:Déconnexion",
         "Spécial:Connexion/return",
         "Spécial:PluggableAuthLogin",
         "Spécial:Recherche",
@@ -286,6 +287,15 @@ in
         # Pas de meilleure solution à ma connaissance pour suivre les releases.
         sha256 = "sha256-/9VISvpvhaVq/sAHE10INlTju7+PTirFO/6U68WBOgM=";
       };
+      LDAPGroup = pkgs.fetchFromGitHub {
+        name = "LDAPGroup";
+        owner = "wikimedia";
+        repo = "mediawiki-extensions-LDAPGroups";
+        tag = "3.1.0";
+        # Le SHA doit être changé à chaque nouveau commit de traduction.
+        # Pas de meilleure solution à ma connaissance pour suivre les releases.
+        sha256 = "sha256-aW1nVechxy4CfyT953LfNgeUOXZGeIkV3KwPJJwlyug=";
+      };
       WSOAuth = pkgs.applyPatches {
         src = pkgs.fetchFromGitHub {
           name = "WSOAuth";
diff --git a/secrets/mediakiwi/mediawiki-ldap.age b/secrets/mediakiwi/mediawiki-ldap.age
index b28cc2b..66b95e1 100644
Binary files a/secrets/mediakiwi/mediawiki-ldap.age and b/secrets/mediakiwi/mediawiki-ldap.age differ