diff --git a/flake.lock b/flake.lock
index 4ad9b08..1fd7fa0 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1704277720,
-        "narHash": "sha256-meAKNgmh3goankLGWqqpw73pm9IvXjEENJloF0coskE=",
+        "lastModified": 1705452289,
+        "narHash": "sha256-i/WodLabBcmRr9hdSv5jzDigL1hRYuI8vNh+xTbGt+g=",
         "owner": "lnl7",
         "repo": "nix-darwin",
-        "rev": "0dd382b70c351f528561f71a0a7df82c9d2be9a4",
+        "rev": "74ab0227ee495e526f2dd57ea684b34f6396445a",
         "type": "github"
       },
       "original": {
@@ -59,11 +59,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1703280986,
-        "narHash": "sha256-X8bPTCUtHvxjXrYJ15JUDwP40Nt3g2vukJltW6jN3/s=",
+        "lastModified": 1705548796,
+        "narHash": "sha256-IVPRfLZDpyxN2NjEZNxG22Rmh+u3NGaMorQri6sqjHs=",
         "owner": "walkah",
         "repo": "dotfiles",
-        "rev": "3bed6ab7e8ed67cf54ca9e4bf0e10bb09cc0f467",
+        "rev": "f88d10043de757cc24f641c35b6f23e0c28b4336",
         "type": "github"
       },
       "original": {
@@ -107,11 +107,11 @@
     "flake-compat_3": {
       "flake": false,
       "locked": {
-        "lastModified": 1673956053,
-        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
         "type": "github"
       },
       "original": {
@@ -141,11 +141,11 @@
         "systems": "systems_2"
       },
       "locked": {
-        "lastModified": 1701680307,
-        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
+        "lastModified": 1705309234,
+        "narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
+        "rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
         "type": "github"
       },
       "original": {
@@ -159,11 +159,11 @@
         "systems": "systems_3"
       },
       "locked": {
-        "lastModified": 1685518550,
-        "narHash": "sha256-o2d0KcvaXzTrPRIo0kOLV0/QXHhDQ5DTi+OxcjO8xqY=",
+        "lastModified": 1701680307,
+        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "a1720a10a6cfe8234c0e93907ffe81be440f4cef",
+        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
         "type": "github"
       },
       "original": {
@@ -198,11 +198,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1660459072,
-        "narHash": "sha256-8DFJjXG8zqoONA1vXtgeKXy68KdJL5UaXR8NtVMUbx8=",
+        "lastModified": 1703887061,
+        "narHash": "sha256-gGPa9qWNc6eCXT/+Z5/zMkyYOuRZqeFZBDbopNZQkuY=",
         "owner": "hercules-ci",
         "repo": "gitignore.nix",
-        "rev": "a20de23b925fd8264fd7fad6454652e142fd7f73",
+        "rev": "43e1aa1308018f37118e34d3a9cb4f5e75dc11d5",
         "type": "github"
       },
       "original": {
@@ -216,11 +216,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1704809957,
-        "narHash": "sha256-Z8sBeoeeY2O+BNqh5C+4Z1h1F1wQ2mij7yPZ2GY397M=",
+        "lastModified": 1705535278,
+        "narHash": "sha256-V5+XKfNbiY0bLKLQlH+AXyhHttEL7XcZBH9iSbxxexA=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "e13aa9e287b3365473e5897e3667ea80a899cdfb",
+        "rev": "b84191db127c16a92cbdf7f7b9969d58bb456699",
         "type": "github"
       },
       "original": {
@@ -252,11 +252,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1701689616,
-        "narHash": "sha256-ewnfgvRy73HoP5KnYmy1Rcr4m4yShvsb6TCCaKoW8pc=",
+        "lastModified": 1705400161,
+        "narHash": "sha256-0MFaNIwwpVWB1N9m7cfHAM2pSVtYESQ7tlHxnDTOhM4=",
         "owner": "nix-community",
         "repo": "nixos-generators",
-        "rev": "246219bc21b943c6f6812bb7744218ba0df08600",
+        "rev": "521fb4cdd8a2e1a00d1adf0fea7135d1faf04234",
         "type": "github"
       },
       "original": {
@@ -267,11 +267,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1704786394,
-        "narHash": "sha256-aJM0ln9fMGWw1+tjyl5JZWZ3ahxAA2gw2ZpZY/hkEMs=",
+        "lastModified": 1705312285,
+        "narHash": "sha256-rd+dY+v61Y8w3u9bukO/hB55Xl4wXv4/yC8rCGVnK5U=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "b34a6075e9e298c4124e35c3ccaf2210c1f3a43b",
+        "rev": "bee2202bec57e521e3bd8acd526884b9767d7fa0",
         "type": "github"
       },
       "original": {
@@ -283,11 +283,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1703961334,
-        "narHash": "sha256-M1mV/Cq+pgjk0rt6VxoyyD+O8cOUiai8t9Q6Yyq4noY=",
+        "lastModified": 1705316053,
+        "narHash": "sha256-J2Ey5mPFT8gdfL2XC0JTZvKaBw/b2pnyudEXFvl+dQM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b0d36bd0a420ecee3bc916c91886caca87c894e9",
+        "rev": "c3e128f3c0ecc1fb04aef9f72b3dcc2f6cecf370",
         "type": "github"
       },
       "original": {
@@ -299,27 +299,27 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1685801374,
-        "narHash": "sha256-otaSUoFEMM+LjBI1XL/xGB5ao6IwnZOXc47qhIgJe8U=",
+        "lastModified": 1704874635,
+        "narHash": "sha256-YWuCrtsty5vVZvu+7BchAxmcYzTMfolSPP5io8+WYCg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c37ca420157f4abc31e26f436c1145f8951ff373",
+        "rev": "3dc440faeee9e889fe2d1b4d25ad0f430d449356",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-23.05",
+        "ref": "nixos-23.11",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nixpkgs-stable_2": {
       "locked": {
-        "lastModified": 1704290814,
-        "narHash": "sha256-LWvKHp7kGxk/GEtlrGYV68qIvPHkU9iToomNFGagixU=",
+        "lastModified": 1705033721,
+        "narHash": "sha256-K5eJHmL1/kev6WuqyqqbS1cdNnSidIZ3jeqJ7GbrYnQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "70bdadeb94ffc8806c0570eb5c2695ad29f0e421",
+        "rev": "a1982c92d8980a0114372973cbdfe0a307f1bdea",
         "type": "github"
       },
       "original": {
@@ -331,11 +331,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1704842529,
-        "narHash": "sha256-OTeQA+F8d/Evad33JMfuXC89VMetQbsU4qcaePchGr4=",
+        "lastModified": 1705466837,
+        "narHash": "sha256-iYVxjZqKd9Si4wuf5GO9aNKxqAn9P3bNN38vflIooHY=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "eabe8d3eface69f5bb16c18f8662a702f50c20d5",
+        "rev": "757637581797f148c50977b6127147c5d298f9e9",
         "type": "github"
       },
       "original": {
@@ -356,11 +356,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1704725188,
-        "narHash": "sha256-qq8NbkhRZF1vVYQFt1s8Mbgo8knj+83+QlL5LBnYGpI=",
+        "lastModified": 1705229514,
+        "narHash": "sha256-itILy0zimR/iyUGq5Dgg0fiW8plRDyxF153LWGsg3Cw=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "ea96f0c05924341c551a797aaba8126334c505d2",
+        "rev": "ffa9a5b90b0acfaa03b1533b83eaf5dead819a05",
         "type": "github"
       },
       "original": {
@@ -393,11 +393,11 @@
         "nixpkgs-stable": "nixpkgs-stable_2"
       },
       "locked": {
-        "lastModified": 1704753304,
-        "narHash": "sha256-9shh5fYLfLJrxr4NnIoWcO9T3bTFuO5QW9v/wDpq9Xg=",
+        "lastModified": 1705356877,
+        "narHash": "sha256-274jL1cH64DcXUXebVMZBRUsTs3FvFlPIPkCN/yhSnI=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "0ded57412079011f1210c2fcc10e112427d4c0e6",
+        "rev": "87755331580fdf23df7e39b46d63ac88236bf42c",
         "type": "github"
       },
       "original": {
diff --git a/hosts/heraclitus/darwin-configuration.nix b/hosts/heraclitus/darwin-configuration.nix
index 0a288b2..928603f 100644
--- a/hosts/heraclitus/darwin-configuration.nix
+++ b/hosts/heraclitus/darwin-configuration.nix
@@ -1,4 +1,4 @@
-{ config, ... }:
+{ pkgs, ... }:
 {
   imports = [
     ./homebrew.nix
@@ -13,6 +13,7 @@
   # List packages installed in system profile. To search by name, run:
   # $ nix-env -qaP | grep wget
   # environment.systemPackages = with pkgs; [ emacs ];
+  environment.systemPackages = with pkgs; [ emacs-macport ];
 
   # Auto upgrade nix package and the daemon service.
   services.nix-daemon.enable = true;