diff --git a/modules/nixos/services/mail/default.nix b/modules/nixos/services/mail/default.nix
index 73f75231..b6838165 100644
--- a/modules/nixos/services/mail/default.nix
+++ b/modules/nixos/services/mail/default.nix
@@ -18,7 +18,7 @@ in
     ];
     mailserver = {
       enable = true;
-      stateVersion = 1;
+      stateVersion = 3;
       enableManageSieve = true;
       fqdn = "mail.vanpetegem.me";
       domains = [