diff --git a/flake.lock b/flake.lock
index 7fa1893..f402bfb 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1684774948,
-        "narHash": "sha256-hJTaw4dYzcB+lsasKejnafq0CxPsVetn9RLXrcL+4jE=",
+        "lastModified": 1687691275,
+        "narHash": "sha256-VVywT8ubStvDPF5TscDBokT3T0l3zsOzCW056noh5zc=",
         "owner": "LnL7",
         "repo": "nix-darwin",
-        "rev": "b8c286c82c6b47826a6c0377e7017052ad91353c",
+        "rev": "25ae710ba3cd448c5d5678788d37f3d149378bc0",
         "type": "github"
       },
       "original": {
@@ -23,14 +23,15 @@
     "emacs": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1685384353,
-        "narHash": "sha256-AIJW/Mu0s2gf1M1Hn5U5tuFMnJRpZ4dVai42x6CpimU=",
+        "lastModified": 1687803450,
+        "narHash": "sha256-vDf+0cn+u10oA2ducrFvJR+eK8djoZPwlCb9J1rK1pQ=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "3ed7dbbbfaf8014175bc25d3f88702e4e522d9d6",
+        "rev": "d61bf076fb5894c8184be50c72eb1def13e2d232",
         "type": "github"
       },
       "original": {
@@ -40,12 +41,15 @@
       }
     },
     "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
       "locked": {
-        "lastModified": 1667395993,
-        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "lastModified": 1687709756,
+        "narHash": "sha256-Y5wKlQSkgEK2weWdOu4J3riRd+kV/VCgHsqLNTTWQ/0=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "rev": "dbabf0ca0c0c4bce6ea5eaf65af5cb694d2082c7",
         "type": "github"
       },
       "original": {
@@ -61,11 +65,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1685395684,
-        "narHash": "sha256-XUUWE5XJiGZ2Wi+Mxv/mIwKYDPEC8gYHkHyT3+/sciY=",
+        "lastModified": 1687647343,
+        "narHash": "sha256-1/o/i9KEFOBdlF9Cs04kBcqDFbYMt6W4SMqGa+QnnaI=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "43ed7048f670661d1ae2ea0d2f7655e87e7b0461",
+        "rev": "0ee5ab611dc1fbb5180bd7d88d2aeb7841a4d179",
         "type": "github"
       },
       "original": {
@@ -76,11 +80,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1673540789,
-        "narHash": "sha256-xqnxBOK3qctIeUVxecydrEDbEXjsvHCPGPbvsl63M/U=",
+        "lastModified": 1687681650,
+        "narHash": "sha256-M2If+gRcfpmaJy/XbfSsRzLlPpoU4nr0NHnKKl50fd8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0f213d0fee84280d8c3a97f7469b988d6fe5fcdf",
+        "rev": "1c9db9710cb23d60570ad4d7ab829c2d34403de3",
         "type": "github"
       },
       "original": {
@@ -90,13 +94,29 @@
         "type": "github"
       }
     },
-    "nixpkgs-unstable": {
+    "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1685347552,
-        "narHash": "sha256-9woSppRyUFo26yUffORTzttJ+apOt8MmCv6RxpPNTU4=",
+        "lastModified": 1687729501,
+        "narHash": "sha256-mTLkMePoHUWvTCf3NuKbeYEea/tsikSIKBWwb9OfRr4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f2f1ec390714d303cf84ba086e34e45b450dd8c4",
+        "rev": "35130d4b4f0b8c50ed2aceb909a538c66c91d4a0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1687701825,
+        "narHash": "sha256-aMC9hqsf+4tJL7aJWSdEUurW2TsjxtDcJBwM9Y4FIYM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "07059ee2fa34f1598758839b9af87eae7f7ae6ea",
         "type": "github"
       },
       "original": {
@@ -108,11 +128,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1682600000,
-        "narHash": "sha256-ha4BehR1dh8EnXSoE1m/wyyYVvHI9txjW4w5/oxsW5Y=",
+        "lastModified": 1685573264,
+        "narHash": "sha256-Zffu01pONhs/pqH07cjlF10NnMDLok8ix5Uk4rhOnZQ=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "50fc86b75d2744e1ab3837ef74b53f103a9b55a0",
+        "rev": "380be19fbd2d9079f677978361792cb25e8a3635",
         "type": "github"
       },
       "original": {
@@ -130,6 +150,21 @@
         "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"
+      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index a28cc39..41289b8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -49,7 +49,8 @@
               emacs.overlays.package
               (final: prev: {
                 emacs-git = (prev.emacs-git.override {
-                  withXwidgets = true;
+                  # withXwidgets = true;
+                  withTreeSitter = true;
                   withGTK3 = true;
                 }).overrideAttrs (o: rec {
                   buildInputs = o.buildInputs ++ [ prev.darwin.apple_sdk.frameworks.WebKit ];
diff --git a/modules/home.nix b/modules/home.nix
index 80987c6..c6b0c0d 100644
--- a/modules/home.nix
+++ b/modules/home.nix
@@ -6,6 +6,7 @@
       (epkgs: with epkgs; [
         vterm
         pdf-tools
+        treesit-grammars.with-all-grammars
         pkgs.mu
       ]))
     (aspellWithDicts
diff --git a/modules/mac.nix b/modules/mac.nix
index 93d061d..3726926 100644
--- a/modules/mac.nix
+++ b/modules/mac.nix
@@ -17,6 +17,9 @@
       fira-code
       roboto
       roboto-mono
+      source-sans
+      source-code-pro
+      source-serif
     ];
   };