diff --git a/flake.lock b/flake.lock
index 1ebe789..26b6790 100644
--- a/flake.lock
+++ b/flake.lock
@@ -171,6 +171,21 @@
         "type": "indirect"
       }
     },
+    "nixpkgs-23_05": {
+      "locked": {
+        "lastModified": 1689326639,
+        "narHash": "sha256-79zi0t83Dcc2dE0NuYZ+2hqtKXZN1yWVq5mtx8D2d7Y=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "9fdfaeb7b96f05e869f838c73cde8d98c640c649",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-23.05",
+        "type": "indirect"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1673450908,
@@ -277,19 +292,19 @@
         "flake-compat": "flake-compat",
         "nixpkgs": "nixpkgs_4",
         "nixpkgs-22_11": "nixpkgs-22_11",
+        "nixpkgs-23_05": "nixpkgs-23_05",
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1688416558,
-        "narHash": "sha256-v9UudcBYAHssB+e6Mip+5dOClFlPwy80wJjbpUMomJk=",
-        "owner": "mweinelt",
+        "lastModified": 1689103880,
+        "narHash": "sha256-vHRCkcpnBbFsPqUNXliUmdPU81jqyuL9ZPzj3vJx2RE=",
+        "owner": "simple-nixos-mailserver",
         "repo": "nixos-mailserver",
-        "rev": "a1c985f325300fc8bca3e8dfe5a9676c10ab1055",
+        "rev": "69a4b7ad67d2732ba1f86666b3d4d2d83b15200e",
         "type": "gitlab"
       },
       "original": {
-        "owner": "mweinelt",
-        "ref": "ldap-support",
+        "owner": "simple-nixos-mailserver",
         "repo": "nixos-mailserver",
         "type": "gitlab"
       }
diff --git a/flake.nix b/flake.nix
index 36398ee..a8279cb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,7 +12,8 @@
     arion.url = "github:hercules-ci/arion";
 
     # email
-    simple-nixos-mailserver.url = "gitlab:mweinelt/nixos-mailserver/ldap-support";
+    # simple-nixos-mailserver.url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-23.05";
+    simple-nixos-mailserver.url = "gitlab:simple-nixos-mailserver/nixos-mailserver";
 
     # sso.skynet.ie
     skynet_ldap_backend.url = "git+https://gitlab.skynet.ie/compsoc/skynet/ldap/backend.git";