diff --git a/flake.lock b/flake.lock
index 22cdd0f..17a43a2 100644
--- a/flake.lock
+++ b/flake.lock
@@ -3,14 +3,15 @@
     "emacs-overlay": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1653736770,
-        "narHash": "sha256-Vp8fWSGTEeuWc71rVXsh+ofsHHUPhKunc8aQLGN0ETc=",
+        "lastModified": 1685990369,
+        "narHash": "sha256-Il0jkVxzFveEXvsZTZcQM7zMn8xc8SZnnVjP6HtBsvg=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "ff629e757452d010b7c91fdd2597aeca370bcf68",
+        "rev": "d0ed6edc7561f7a5518bd51f501e0cc6f9aa3023",
         "type": "github"
       },
       "original": {
@@ -20,12 +21,15 @@
       }
     },
     "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
       "locked": {
-        "lastModified": 1652776076,
-        "narHash": "sha256-gzTw/v1vj4dOVbpBSJX4J0DwUR6LIyXo7/SuuTJp1kM=",
+        "lastModified": 1685518550,
+        "narHash": "sha256-o2d0KcvaXzTrPRIo0kOLV0/QXHhDQ5DTi+OxcjO8xqY=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "04c1b180862888302ddfb2e3ad9eaa63afc60cf8",
+        "rev": "a1720a10a6cfe8234c0e93907ffe81be440f4cef",
         "type": "github"
       },
       "original": {
@@ -35,12 +39,15 @@
       }
     },
     "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
       "locked": {
-        "lastModified": 1652776076,
-        "narHash": "sha256-gzTw/v1vj4dOVbpBSJX4J0DwUR6LIyXo7/SuuTJp1kM=",
+        "lastModified": 1685518550,
+        "narHash": "sha256-o2d0KcvaXzTrPRIo0kOLV0/QXHhDQ5DTi+OxcjO8xqY=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "04c1b180862888302ddfb2e3ad9eaa63afc60cf8",
+        "rev": "a1720a10a6cfe8234c0e93907ffe81be440f4cef",
         "type": "github"
       },
       "original": {
@@ -56,11 +63,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1653518057,
-        "narHash": "sha256-cam3Nfae5ADeEs6mRPzr0jXB7+DhyMIXz0/0Q13r/yk=",
+        "lastModified": 1685999310,
+        "narHash": "sha256-gaRMZhc7z4KeU/xS3IWv3kC+WhVcAXOLXXGKLe5zn1Y=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "64831f938bd413cefde0b0cf871febc494afaa4f",
+        "rev": "28614ed7a1e3ace824c122237bdc0e5e0b62c5c3",
         "type": "github"
       },
       "original": {
@@ -71,11 +78,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1653463224,
-        "narHash": "sha256-bUxKhqZhki2vPzFTl8HOo1m7pagF7WzY1MZiso8U5ws=",
+        "lastModified": 1684899633,
+        "narHash": "sha256-NtwerXX8UFsoNy6k+DukJMriWtEjQtMU/Urbff2O2Dg=",
         "owner": "nixos",
         "repo": "nixos-hardware",
-        "rev": "39a7bfc496d2ddfce73fe9542af1f2029ba4fe39",
+        "rev": "4cc688ee711159b9bcb5a367be44007934e1a49d",
         "type": "github"
       },
       "original": {
@@ -86,25 +93,43 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1653738054,
-        "narHash": "sha256-IaR8iLN4Ms3f5EjU1CJkXSc49ZzyS5qv03DtVAti6/s=",
+        "lastModified": 1685931219,
+        "narHash": "sha256-8EWeOZ6LKQfgAjB/USffUSELPRjw88A+xTcXnOUvO5M=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "17b62c338f2a0862a58bb6951556beecd98ccda9",
+        "rev": "7409480d5c8584a1a83c422530419efe4afb0d19",
         "type": "github"
       },
       "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1685883127,
+        "narHash": "sha256-zPDaPNrAtBnO24rNqjHLINHsqTdRbgWy1c/TL3EdwlM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d4a9ff82fc18723219b60c66fb2ccb0734c460eb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-22.11",
+        "repo": "nixpkgs",
+        "type": "github"
       }
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1653757375,
-        "narHash": "sha256-Z32lJBuMtFXPteka4fx6aleeOU7aR1btjd3OEDZm5h8=",
+        "lastModified": 1686011541,
+        "narHash": "sha256-17FBPsSqj/HTzo2OXymc0bUnOzHp/qdBIn4tu6YOV5Y=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f37f4ab9756bf5e7313ee351a98efbf2ff536a96",
+        "rev": "14d96ff665fb5f95b97f828c93b64a7159edd632",
         "type": "github"
       },
       "original": {
@@ -115,11 +140,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1653581809,
-        "narHash": "sha256-Uvka0V5MTGbeOfWte25+tfRL3moECDh1VwokWSZUdoY=",
+        "lastModified": 1685931219,
+        "narHash": "sha256-8EWeOZ6LKQfgAjB/USffUSELPRjw88A+xTcXnOUvO5M=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "83658b28fe638a170a19b8933aa008b30640fbd1",
+        "rev": "7409480d5c8584a1a83c422530419efe4afb0d19",
         "type": "github"
       },
       "original": {
@@ -137,6 +162,36 @@
         "nixpkgs": "nixpkgs_2",
         "nixpkgs-unstable": "nixpkgs-unstable"
       }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/hosts/nixos/configuration.nix b/hosts/nixos/configuration.nix
index c59e666..56c1b25 100644
--- a/hosts/nixos/configuration.nix
+++ b/hosts/nixos/configuration.nix
@@ -28,4 +28,6 @@
     isNormalUser = true;
     extraGroups = [ "wheel" ];
   };
+
+  system.stateVersion = "22.05";
 }