diff --git a/flake.lock b/flake.lock
index f75a33e..2837f2c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -8,11 +8,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1675176355,
-        "narHash": "sha256-Qjxh5cmN56siY97mzmBLI1+cdjXSPqmfPVsKxBvHmwI=",
+        "lastModified": 1676599101,
+        "narHash": "sha256-CKS6UsOGhoNxGDBt9wyFiWHvtng/+BMAJ4G8ahhe1DE=",
         "owner": "ryantm",
         "repo": "agenix",
-        "rev": "b7ffcfe77f817d9ee992640ba1f270718d197f28",
+        "rev": "de657061b13cf329c57a1a9730a5049a971b40b3",
         "type": "github"
       },
       "original": {
@@ -84,11 +84,11 @@
         "pre-commit-hooks": "pre-commit-hooks"
       },
       "locked": {
-        "lastModified": 1676057905,
-        "narHash": "sha256-9uGgDgMTwspDQlR2laeYa4qwf3BoU04sKpOR1h6/bvM=",
+        "lastModified": 1676394233,
+        "narHash": "sha256-RHO/MgRyFqgmIgogrL5LBmBhAt8hTpUJJ6Dww46GyZI=",
         "ref": "main",
-        "rev": "346600bd993ca400a493c9d9323a1caea267c650",
-        "revCount": 93,
+        "rev": "6fb9f917901160b2b212f420a8a8e4995c823626",
+        "revCount": 98,
         "type": "git",
         "url": "ssh://git@gitea.moritzboeh.me/moritz/emacs.git"
       },
@@ -225,6 +225,21 @@
       }
     },
     "flake-utils_6": {
+      "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"
+      }
+    },
+    "flake-utils_7": {
       "locked": {
         "lastModified": 1644229661,
         "narHash": "sha256-1YdnJAsNy69bpcjuoKdOYQX0YxZBiCYZo4Twxerqv7k=",
@@ -306,11 +321,11 @@
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1675935446,
-        "narHash": "sha256-WajulTn7QdwC7QuXRBavrANuIXE5z+08EdxdRw1qsNs=",
+        "lastModified": 1676367705,
+        "narHash": "sha256-un5UbRat9TwruyImtwUGcKF823rCEp4fQxnsaLFL7CM=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "2dce7f1a55e785a22d61668516df62899278c9e4",
+        "rev": "da72e6fc6b7dc0c3f94edbd310aae7cd95c678b5",
         "type": "github"
       },
       "original": {
@@ -367,11 +382,11 @@
         "xdph": "xdph"
       },
       "locked": {
-        "lastModified": 1676120405,
-        "narHash": "sha256-5DSaAh3ifx3tW7ZMF7GFy/Kw4uHs3ZUtt+cH9+YVOXY=",
+        "lastModified": 1676630258,
+        "narHash": "sha256-pc3aIr2LgmJFcTQwICpz3d4/u5/xHDI14qY/zEhGM3k=",
         "owner": "hyprwm",
         "repo": "Hyprland",
-        "rev": "97e0f02621829d011e08506c7361236b07f3f2b4",
+        "rev": "be2e4d9dd1e58991a4f54078a331cbcbd8265c7f",
         "type": "github"
       },
       "original": {
@@ -406,11 +421,11 @@
         "nixpkgs": "nixpkgs_5"
       },
       "locked": {
-        "lastModified": 1676033584,
-        "narHash": "sha256-MeF1nR09cUdkCd1KNjzxImwhqsP2cbn/0M6z87fNJAk=",
+        "lastModified": 1676406424,
+        "narHash": "sha256-G+JhFuaeB15MTU8DbJALm/Yf240FCQmrWZ8Y0UzyqRI=",
         "owner": "hyprwm",
         "repo": "hyprpaper",
-        "rev": "44a38bfedc009bcc05eed571e80a397a80075a9f",
+        "rev": "1d76f4db0d3b487b9a9562195815e181652aef7c",
         "type": "github"
       },
       "original": {
@@ -421,11 +436,11 @@
     },
     "master": {
       "locked": {
-        "lastModified": 1676126546,
-        "narHash": "sha256-LYDhE85B+MQMvIS3/SVnLSsKBC6aTeFrMRa6pN75mlg=",
+        "lastModified": 1676634984,
+        "narHash": "sha256-VlcjVkzFEYGOVMXvlpS9hREF40Zs3n3Gpw53nlo22CI=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "aebc76376ca2da5ee4524326e6f83a3a18587d54",
+        "rev": "98042fc6d36ebb11a4defe4f2cee76aa6192257d",
         "type": "github"
       },
       "original": {
@@ -441,11 +456,11 @@
       },
       "locked": {
         "dir": "contrib",
-        "lastModified": 1676603980,
-        "narHash": "sha256-EWHGiO/1dulYfzdUnxXqW6nu79T+soBC/YS0tZPtlQ0=",
+        "lastModified": 1676634789,
+        "narHash": "sha256-ywC4XWyG6Qgs48ZYHU1BaxfPTlPS/Vt4Zgb5x0kYEWo=",
         "owner": "neovim",
         "repo": "neovim",
-        "rev": "371a74e4e1685f21e83c70eb8f0bd05c2ce24e49",
+        "rev": "f905ab04507fc5a86affeb5eaf8550c1795ac9b8",
         "type": "github"
       },
       "original": {
@@ -455,6 +470,26 @@
         "type": "github"
       }
     },
+    "nil": {
+      "inputs": {
+        "flake-utils": "flake-utils_5",
+        "nixpkgs": "nixpkgs_7",
+        "rust-overlay": "rust-overlay"
+      },
+      "locked": {
+        "lastModified": 1676390054,
+        "narHash": "sha256-w0KvrM+9WIEYr0juDh4Vs39ed2IaT0T696fp9pZ7i1I=",
+        "owner": "oxalica",
+        "repo": "nil",
+        "rev": "944d5c335531778a1d7b54a97bf7fb5ec0c3e976",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "nil",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1673540789,
@@ -585,11 +620,11 @@
     },
     "nixpkgs_7": {
       "locked": {
-        "lastModified": 1675940568,
-        "narHash": "sha256-epG6pOT9V0kS+FUqd7R6/CWkgnZx2DMT5Veqo+y6G3c=",
+        "lastModified": 1675309347,
+        "narHash": "sha256-D3CQ6HRDT2m3XJlrzb5jKq4vNFR5xFTEFKC7iSjlFpM=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "6ccc4a59c3f1b56d039d93da52696633e641bc71",
+        "rev": "006c3bd4dd2f5d1d2094047f307cbf9e2b73d9c5",
         "type": "github"
       },
       "original": {
@@ -600,6 +635,22 @@
       }
     },
     "nixpkgs_8": {
+      "locked": {
+        "lastModified": 1676549890,
+        "narHash": "sha256-sq/WcOEAl7gWrrfGkWdnyYazRyTf+enEim/o6LOQzI8=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "8c66bd1b68f4708c90dcc97c6f7052a5a7b33257",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_9": {
       "locked": {
         "lastModified": 1671271357,
         "narHash": "sha256-xRJdLbWK4v2SewmSStYrcLa0YGJpleufl44A19XSW8k=",
@@ -671,17 +722,17 @@
     "pre-commit-hooks_3": {
       "inputs": {
         "flake-compat": "flake-compat_2",
-        "flake-utils": "flake-utils_5",
+        "flake-utils": "flake-utils_6",
         "gitignore": "gitignore_2",
-        "nixpkgs": "nixpkgs_8",
+        "nixpkgs": "nixpkgs_9",
         "nixpkgs-stable": "nixpkgs-stable_2"
       },
       "locked": {
-        "lastModified": 1675688762,
-        "narHash": "sha256-oit/SxMk0B380ASuztBGQLe8TttO1GJiXF8aZY9AYEc=",
+        "lastModified": 1676513100,
+        "narHash": "sha256-MK39nQV86L2ag4TmcK5/+r1ULpzRLPbbfvWbPvIoYJE=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "ab608394886fb04b8a5df3cb0bab2598400e3634",
+        "rev": "5f0cba88ac4d6dd8cad5c6f6f1540b3d6a21a798",
         "type": "github"
       },
       "original": {
@@ -704,19 +755,45 @@
         "hyprpaper": "hyprpaper",
         "master": "master",
         "neovim": "neovim",
-        "nixpkgs": "nixpkgs_7",
+        "nil": "nil",
+        "nixpkgs": "nixpkgs_8",
         "pre-commit-hooks": "pre-commit-hooks_3",
         "stable": "stable",
         "utils": "utils_2"
       }
     },
+    "rust-overlay": {
+      "inputs": {
+        "flake-utils": [
+          "nil",
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "nil",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1675391458,
+        "narHash": "sha256-ukDKZw922BnK5ohL9LhwtaDAdCsJL7L6ScNEyF1lO9w=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "383a4acfd11d778d5c2efcf28376cbd845eeaedf",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
     "stable": {
       "locked": {
-        "lastModified": 1675918889,
-        "narHash": "sha256-hy7re4F9AEQqwZxubct7jBRos6md26bmxnCjxf5utJA=",
+        "lastModified": 1676546582,
+        "narHash": "sha256-MJ+PXNmUyxnMTFoss7G2lEcUY2cfYZM6RudBAL5aX1k=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "49efda9011e8cdcd6c1aad30384cb1dc230c82fe",
+        "rev": "2fb7d749c084890192b2cd08ba264e5e4a14df1b",
         "type": "github"
       },
       "original": {
@@ -743,7 +820,7 @@
     },
     "utils_2": {
       "inputs": {
-        "flake-utils": "flake-utils_6"
+        "flake-utils": "flake-utils_7"
       },
       "locked": {
         "lastModified": 1657226504,
diff --git a/flake.nix b/flake.nix
index 8b09ac9..9f6dffc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -50,6 +50,8 @@
 
     neovim.url = "github:neovim/neovim?dir=contrib";
 
+    nil.url = "github:oxalica/nil";
+
     # Hyprland
     hyprland.url = "github:hyprwm/Hyprland";
     hyprpaper.url = "github:hyprwm/hyprpaper";
diff --git a/modules/programs/nvim/init.lua b/modules/programs/nvim/init.lua
index 18cd345..4e20fbe 100644
--- a/modules/programs/nvim/init.lua
+++ b/modules/programs/nvim/init.lua
@@ -195,6 +195,15 @@ lspconfig.sumneko_lua.setup({
 			telemetry = {
 				enable = false,
 			},
+			format = {
+				enable = true,
+				-- Put format options here
+				-- NOTE: the value should be STRING!!
+				defaultConfig = {
+					indent_style = "space",
+					indent_size = "2",
+				},
+			},
 		},
 	},
 })
@@ -212,3 +221,13 @@ wk.register({
 	},
 	{ prefix = "<leader>" },
 })
+
+require("dashboard").setup({
+	theme = "hyper",
+	config = {
+		packages = { enable = true },
+		week_header = {
+			enable = true,
+		},
+	},
+})
diff --git a/overlays/default.nix b/overlays/default.nix
index 9a7098b..7e5cdc1 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -2,6 +2,7 @@
   agenix = inputs.agenix.packages.${prev.system}.default;
   hyprpaper = inputs.hyprpaper.packages.${prev.system}.default;
   neovim-nightly = inputs.neovim.packages.${prev.system}.default;
+  nil = inputs.nil.packages.${prev.system}.default;
 
   logseq-wayland = prev.symlinkJoin {
     name = "logseq-wayland";