diff --git a/nixbld-etc-nixos/configuration.nix b/nixbld-etc-nixos/configuration.nix
index b8a22fd..23ab8ec 100644
--- a/nixbld-etc-nixos/configuration.nix
+++ b/nixbld-etc-nixos/configuration.nix
@@ -18,8 +18,8 @@ in
       ./homu/nixos-module.nix
       ./backup-module.nix
       (builtins.fetchTarball {
-        url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/v2.2.1/nixos-mailserver-v2.2.1.tar.gz";
-        sha256 = "03d49v8qnid9g9rha0wg2z6vic06mhp0b049s3whccn1axvs2zzx";
+        url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/v2.3.0/nixos-mailserver-v2.3.0.tar.gz";
+        sha256 = "0lpz08qviccvpfws2nm83n7m2r8add2wvfg9bljx9yxx8107r919";
       })
     ];