diff --git a/VERSION b/VERSION
index 6c8dc7e..903cd9f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-v3.1.0
+v3.1.1
diff --git a/descartes/Model.php b/descartes/Model.php
index 207e680..ad14075 100644
--- a/descartes/Model.php
+++ b/descartes/Model.php
@@ -33,7 +33,7 @@
          * @param string $password : Le mot de passe à employer
          * @return mixed : Un objet \PDO ou false en cas d'erreur
          */
-        public static function _connect ($host, $dbname, $user, $password, ?string $charset = 'UTF8', ?array $options = null)
+        public static function _connect ($host, $dbname, $user, $password, ?string $charset = 'utf8mb4', ?array $options = null)
         {
             $options = $options ?? [
                 \PDO::ATTR_DEFAULT_FETCH_MODE => \PDO::FETCH_ASSOC,