diff --git a/flake.lock b/flake.lock
index 59cfb69..ad8d5ad 100644
--- a/flake.lock
+++ b/flake.lock
@@ -37,13 +37,13 @@
       "locked": {
         "lastModified": 1767039857,
         "narHash": "sha256-vNpUSpF5Nuw8xvDLj2KCwwksIbjua2LZCqhV1LNRDns=",
-        "owner": "edolstra",
+        "owner": "NixOS",
         "repo": "flake-compat",
         "rev": "5edf11c44bc78a0d334f6334cdaf7d60d732daab",
         "type": "github"
       },
       "original": {
-        "owner": "edolstra",
+        "owner": "NixOS",
         "repo": "flake-compat",
         "type": "github"
       }
@@ -61,11 +61,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1772893680,
-        "narHash": "sha256-JDqZMgxUTCq85ObSaFw0HhE+lvdOre1lx9iI6vYyOEs=",
+        "lastModified": 1778507602,
+        "narHash": "sha256-kTwur1wV+01SdqskVMSo6JMEpg71ps3HpbFY2GsflKs=",
         "owner": "cachix",
         "repo": "git-hooks.nix",
-        "rev": "8baab586afc9c9b57645a734c820e4ac0a604af9",
+        "rev": "61ab0e80d9c7ab14c256b5b453d8b3fb0189ba0a",
         "type": "github"
       },
       "original": {
@@ -103,16 +103,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1777851538,
-        "narHash": "sha256-Gp8qwTEYNoy2yvmErVGlvLOQvrtEECCAKbonW7VJef8=",
+        "lastModified": 1779726825,
+        "narHash": "sha256-RUkMrREjKDQrA+dA9+xZviGAxM5W1aVdyOr/bSYpHrE=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "cc09c0f9b7eaa95c2d9827338a5eb03d32505ca5",
+        "rev": "b179bde238977f7d4454fc770b1a727eaf55111c",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "ref": "release-25.11",
+        "ref": "release-26.05",
         "repo": "home-manager",
         "type": "github"
       }
@@ -140,32 +140,48 @@
     },
     "nixos": {
       "locked": {
-        "lastModified": 1778003029,
-        "narHash": "sha256-q/nkKLDtHIyLjZpKhWk3cSK5IYsFqtMd6UtXF3ddjgA=",
+        "lastModified": 1779971959,
+        "narHash": "sha256-R5nauXyqyfRUFiZycFFZdkF7wl6eaUpPLst35+2nJQY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "0c88e1f2bdb93d5999019e99cb0e61e1fe2af4c5",
+        "rev": "ec942ba042dad5ef097e2ef3a3effc034241f011",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "nixos-25.11",
+        "ref": "nixos-26.05",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1778003029,
-        "narHash": "sha256-q/nkKLDtHIyLjZpKhWk3cSK5IYsFqtMd6UtXF3ddjgA=",
+        "lastModified": 1779971959,
+        "narHash": "sha256-R5nauXyqyfRUFiZycFFZdkF7wl6eaUpPLst35+2nJQY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "0c88e1f2bdb93d5999019e99cb0e61e1fe2af4c5",
+        "rev": "ec942ba042dad5ef097e2ef3a3effc034241f011",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "nixos-25.11",
+        "ref": "nixos-26.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1779560665,
+        "narHash": "sha256-tpyBcxPpcQb8ukyNF7DoCwfSY3VPsxHoYwj00Cayv5o=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "64c08a7ca051951c8eae34e3e3cb1e202fe36786",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -236,14 +252,14 @@
         ]
       },
       "locked": {
-        "lastModified": 1773912645,
-        "narHash": "sha256-QHzRqq6gh+t3F/QU9DkP7X63dDDcuIQmaDz12p7ANTg=",
+        "lastModified": 1779651513,
+        "narHash": "sha256-lUmq8sXQzihreq9UMqAkSBy9z9ueZbRnFyltzYVfQ2I=",
         "type": "tarball",
-        "url": "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/nixos-25.11/nixos-mailserver-nixos-25.11.tar.gz"
+        "url": "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/nixos-26.05/nixos-mailserver-nixos-26.05.tar.gz"
       },
       "original": {
         "type": "tarball",
-        "url": "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/nixos-25.11/nixos-mailserver-nixos-25.11.tar.gz"
+        "url": "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/nixos-26.05/nixos-mailserver-nixos-26.05.tar.gz"
       }
     },
     "sops-nix": {
diff --git a/flake.nix b/flake.nix
index 05aafae..47025e1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,8 +2,8 @@
   description = "NixOS configuration";
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.11";
-    nixos.url = "github:nixos/nixpkgs/nixos-25.11";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-26.05";
+    nixos.url = "github:nixos/nixpkgs/nixos-26.05";
 
     nix-xilinx = {
       url = "gitlab:asmir.abdulahovic/nix-xilinx";
@@ -31,12 +31,12 @@
     };
 
     home-manager = {
-      url = "github:nix-community/home-manager/release-25.11";
+      url = "github:nix-community/home-manager/release-26.05";
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
     simple-nixos-mailserver = {
-      url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/nixos-25.11/nixos-mailserver-nixos-25.11.tar.gz";
+      url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/nixos-26.05/nixos-mailserver-nixos-26.05.tar.gz";
       inputs.nixpkgs.follows = "nixpkgs";
     };