diff --git a/src/paperless_mail/migrations/0027_mailaccount_expiration_mailaccount_account_type_and_more.py b/src/paperless_mail/migrations/0027_mailaccount_expiration_mailaccount_account_type_and_more.py
index f944f7b23..3fb1e6af2 100644
--- a/src/paperless_mail/migrations/0027_mailaccount_expiration_mailaccount_account_type_and_more.py
+++ b/src/paperless_mail/migrations/0027_mailaccount_expiration_mailaccount_account_type_and_more.py
@@ -40,7 +40,7 @@ class Migration(migrations.Migration):
             field=models.CharField(
                 blank=True,
                 help_text="The refresh token to use for token authentication e.g. with oauth2.",
-                max_length=2048,
+                max_length=3072,
                 null=True,
                 verbose_name="refresh token",
             ),
diff --git a/src/paperless_mail/models.py b/src/paperless_mail/models.py
index f5f810911..6ba00151d 100644
--- a/src/paperless_mail/models.py
+++ b/src/paperless_mail/models.py
@@ -64,7 +64,7 @@ class MailAccount(document_models.ModelWithOwner):
 
     refresh_token = models.CharField(
         _("refresh token"),
-        max_length=2048,
+        max_length=3072,
         blank=True,
         null=True,
         help_text=_(