diff --git a/flake.lock b/flake.lock
index 0821cf8..78b8ed1 100644
--- a/flake.lock
+++ b/flake.lock
@@ -504,16 +504,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1747688870,
-        "narHash": "sha256-ypL9WAZfmJr5V70jEVzqGjjQzF0uCkz+AFQF7n9NmNc=",
+        "lastModified": 1747556831,
+        "narHash": "sha256-Qb84nbYFFk0DzFeqVoHltS2RodAYY5/HZQKE8WnBDsc=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "d5f1f641b289553927b3801580598d200a501863",
+        "rev": "d0bbd221482c2713cccb80220f3c9d16a6e20a33",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "ref": "release-24.11",
+        "ref": "release-25.05",
         "repo": "home-manager",
         "type": "github"
       }
@@ -578,7 +578,7 @@
       },
       "original": {
         "owner": "simple-nixos-mailserver",
-        "ref": "master",
+        "ref": "nixos-25.05",
         "repo": "nixos-mailserver",
         "type": "gitlab"
       }
@@ -678,16 +678,16 @@
     },
     "nixpkgs_5": {
       "locked": {
-        "lastModified": 1747862697,
-        "narHash": "sha256-U4HaNZ1W26cbOVm0Eb5OdGSnfQVWQKbLSPrSSa78KC0=",
+        "lastModified": 1747953325,
+        "narHash": "sha256-y2ZtlIlNTuVJUZCqzZAhIw5rrKP4DOSklev6c8PyCkQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "2baa12ff69913392faf0ace833bc54bba297ea95",
+        "rev": "55d1f923c480dadce40f5231feb472e81b0bab48",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-24.11",
+        "ref": "nixos-25.05",
         "type": "indirect"
       }
     },
diff --git a/flake.nix b/flake.nix
index 8994009..05332a4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,10 +1,10 @@
 {
   description = "My system config";
   inputs = {
-    nixpkgs.url = "nixpkgs/nixos-24.11";
+    nixpkgs.url = "nixpkgs/nixos-25.05";
     nixpkgs-unstable.url = "nixpkgs/nixos-unstable";
 
-    home-manager.url = "github:nix-community/home-manager/release-24.11";
+    home-manager.url = "github:nix-community/home-manager/release-25.05";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
 
     vpsadminos.url = "github:vpsfreecz/vpsadminos";
@@ -32,7 +32,7 @@
     };
 
     nixos-mailserver = {
-      url = "gitlab:simple-nixos-mailserver/nixos-mailserver/master";
+      url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-25.05";
       inputs.nixpkgs.follows = "nixpkgs";
     };