diff --git a/books/models.py b/books/models.py
index ea8bf92e..06ed574f 100644
--- a/books/models.py
+++ b/books/models.py
@@ -42,7 +42,7 @@ class Book(Entity):
         default=list,
     )
     language = models.CharField(
-        _("language"), blank=True, default='', max_length=10)
+        _("language"), blank=True, default='', max_length=50)
     pub_house = models.CharField(
         _("publishing house"), blank=True, default='', max_length=200)
     pub_year = models.IntegerField(_("published year"), null=True, blank=True)