diff --git a/common/linux.nix b/common/linux.nix
index 0dca86b..7f8dd4d 100644
--- a/common/linux.nix
+++ b/common/linux.nix
@@ -2,7 +2,7 @@
   boot.kernelPackages = pkgs.linuxPackages;
   boot.supportedFilesystems = ["ntfs"];
 
-  system.stateVersion = "22.11";
+  system.stateVersion = "23.05";
 
   system.autoUpgrade.enable = true;
 
diff --git a/flake.lock b/flake.lock
index 86c537c..2721160 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1684774948,
-        "narHash": "sha256-hJTaw4dYzcB+lsasKejnafq0CxPsVetn9RLXrcL+4jE=",
+        "lastModified": 1685559570,
+        "narHash": "sha256-MNIQvLRoq92isMLR/ordKNCl+aXNiuwBM4QyqmS8d00=",
         "owner": "lnl7",
         "repo": "nix-darwin",
-        "rev": "b8c286c82c6b47826a6c0377e7017052ad91353c",
+        "rev": "4338bc869e9874d54a4c89539af72f16666b2abe",
         "type": "github"
       },
       "original": {
@@ -22,20 +22,19 @@
     },
     "home-manager": {
       "inputs": {
-        "nixpkgs": "nixpkgs",
-        "utils": "utils"
+        "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1681092193,
-        "narHash": "sha256-JerCqqOqbT2tBnXQW4EqwFl0hHnuZp21rIQ6lu/N4rI=",
+        "lastModified": 1685599623,
+        "narHash": "sha256-Tob4CMOVHue0D3RzguDBCtUmX5ji2PsdbQDbIOIKvsc=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "f9edbedaf015013eb35f8caacbe0c9666bbc16af",
+        "rev": "93db05480c0c0f30382d3e80779e8386dcb4f9dd",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "ref": "release-22.11",
+        "ref": "release-23.05",
         "repo": "home-manager",
         "type": "github"
       }
@@ -43,7 +42,7 @@
     "nix-ld": {
       "inputs": {
         "nixpkgs": "nixpkgs_2",
-        "utils": "utils_2"
+        "utils": "utils"
       },
       "locked": {
         "lastModified": 1682533818,
@@ -77,11 +76,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1667629849,
-        "narHash": "sha256-P+v+nDOFWicM4wziFK9S/ajF2lc0N2Rg9p6Y35uMoZI=",
+        "lastModified": 1684570954,
+        "narHash": "sha256-FX5y4Sm87RWwfu9PI71XFvuRpZLowh00FQpIJ1WfXqE=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "3bacde6273b09a21a8ccfba15586fb165078fb62",
+        "rev": "3005f20ce0aaa58169cdee57c8aa12e5f1b6e1b3",
         "type": "github"
       },
       "original": {
@@ -108,16 +107,16 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1685314633,
-        "narHash": "sha256-8LXBPqTQXl5ofkjpJ18JcbmLJ/lWDoMxtUwiDYv0wro=",
+        "lastModified": 1685620773,
+        "narHash": "sha256-iQ+LmporQNdLz8uMJdP62TaAWeLUwl43/MYUBtWqulM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c8a17ce7abc03c50cd072e9e6c9b389c5f61836b",
+        "rev": "f0ba8235153dd2e25cf06cbf70d43efdd4443592",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-22.11",
+        "ref": "nixos-23.05",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -145,21 +144,6 @@
         "repo": "flake-utils",
         "type": "github"
       }
-    },
-    "utils_2": {
-      "locked": {
-        "lastModified": 1667395993,
-        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index c3714dd..2fde20e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,10 +3,10 @@
 
   inputs = {
     home-manager = {
-      url = "github:nix-community/home-manager/release-22.11";
+      url = "github:nix-community/home-manager/release-23.05";
     };
 
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.11";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
 
     nixos-hardware.url = "github:NixOS/nixos-hardware/master";
 
diff --git a/home/default.nix b/home/default.nix
index 12a277c..3acbb5e 100644
--- a/home/default.nix
+++ b/home/default.nix
@@ -15,7 +15,7 @@
   };
   inherit (pkgs) stdenv;
 in {
-  home.stateVersion = "22.11";
+  home.stateVersion = "23.05";
 
   services = {
     gpg-agent = {
diff --git a/machines/hephaestus/hardware.nix b/machines/hephaestus/hardware.nix
index c2d65b0..d13d006 100644
--- a/machines/hephaestus/hardware.nix
+++ b/machines/hephaestus/hardware.nix
@@ -27,7 +27,6 @@
   boot.loader.grub = {
     enable = true;
     device = "nodev";
-    version = 2;
     efiSupport = true;
     enableCryptodisk = true;
   };