diff --git a/flake.nix b/flake.nix
index aa42bb1..f2ff208 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,6 +1,6 @@
 {
 
-  description = "A very basic flake";
+  description = "StuRa HTWD NixOS Configurations";
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-25.11";
@@ -8,7 +8,7 @@
       url = "github:nix-community/authentik-nix";
     };
     mailserver = {
-      url = "git+https://gitlab.com/simple-nixos-mailserver/nixos-mailserver?ref=nixos-25.05";
+      url = "git+https://gitlab.com/simple-nixos-mailserver/nixos-mailserver?ref=nixos-25.11";
     };
     sops = {
       url = "github:Mic92/sops-nix";
diff --git a/hosts/mail/default.nix b/hosts/mail/default.nix
index 716598a..2c84f6d 100644
--- a/hosts/mail/default.nix
+++ b/hosts/mail/default.nix
@@ -88,7 +88,8 @@ in
     ldap = {
       enable = true;
       bind = {
-        dn = "cn=dovecot,ou=users,DC=test,DC=htw,DC=stura-dresden,DC=de";
+        # dn = "cn=dovecot,ou=users,DC=test,DC=htw,DC=stura-dresden,DC=de";
+        dn = "cn=ldapuser,ou=users,dc=ldap,dc=goauthentik,dc=io";
         passwordFile = "/var/lib/dovecot_ldap_passwd";
       };
       dovecot = {
@@ -101,7 +102,8 @@ in
         mailAttribute = "mail";
         uidAttribute = "cn";
       };
-      searchBase = "DC=test,DC=htw,DC=stura-dresden,DC=de";
+      #searchBase = "DC=test,DC=htw,DC=stura-dresden,DC=de";
+      searchBase = "DC=ldap,DC=goauthentik,DC=io";
       uris = [
         "ldap://auth.test.htw.stura-dresden.de:3389"
       ];
@@ -136,6 +138,7 @@ in
     maxConnectionsPerUser = 10;
     messageSizeLimit = 10 * 1000 * 1024; # 10 MiB
 
+    stateVersion = 3;
   };
 
   # services.dovecot2.mailLocation = lib.mkForce "maildir:/var/vmail/%n";