diff --git a/flake.lock b/flake.lock
index d5dbb08..2ffc20e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1755275010,
-        "narHash": "sha256-lEApCoWUEWh0Ifc3k1JdVjpMtFFXeL2gG1qvBnoRc2I=",
+        "lastModified": 1755825449,
+        "narHash": "sha256-XkiN4NM9Xdy59h69Pc+Vg4PxkSm9EWl6u7k6D5FZ5cM=",
         "owner": "nix-darwin",
         "repo": "nix-darwin",
-        "rev": "7220b01d679e93ede8d7b25d6f392855b81dd475",
+        "rev": "8df64f819698c1fee0c2969696f54a843b2231e8",
         "type": "github"
       },
       "original": {
@@ -81,11 +81,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1755491080,
-        "narHash": "sha256-ib1Xi13NEalrFqQAHceRsb+6aIPANFuQq80SS/bY10M=",
+        "lastModified": 1756734952,
+        "narHash": "sha256-H6jmduj4QIncLPAPODPSG/8ry9lpr1kRq6fYytU52qU=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "f8af2cbe386f9b96dd9efa57ab15a09377f38f4d",
+        "rev": "29ab63bbb3d9eee4a491f7ce701b189becd34068",
         "type": "github"
       },
       "original": {
@@ -166,11 +166,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1755268003,
-        "narHash": "sha256-nNaeJjo861wFR0tjHDyCnHs1rbRtrMgxAKMoig9Sj/w=",
+        "lastModified": 1756636162,
+        "narHash": "sha256-mBecwgUTWRgClJYqcF+y4O1bY8PQHqeDpB+zsAn+/zA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "32f313e49e42f715491e1ea7b306a87c16fe0388",
+        "rev": "37ff64b7108517f8b6ba5705ee5085eac636a249",
         "type": "github"
       },
       "original": {
@@ -205,11 +205,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1755446520,
-        "narHash": "sha256-I0Ok1OGDwc1jPd8cs2VvAYZsHriUVFGIUqW+7uSsOUM=",
+        "lastModified": 1755960406,
+        "narHash": "sha256-RF7j6C1TmSTK9tYWO6CdEMtg6XZaUKcvZwOCD2SICZs=",
         "owner": "cachix",
         "repo": "git-hooks.nix",
-        "rev": "4b04db83821b819bbbe32ed0a025b31e7971f22e",
+        "rev": "e891a93b193fcaf2fc8012d890dc7f0befe86ec2",
         "type": "github"
       },
       "original": {
diff --git a/nix/hosts/heraclitus/homebrew.nix b/nix/hosts/heraclitus/homebrew.nix
index 6cb0503..9ab39f9 100644
--- a/nix/hosts/heraclitus/homebrew.nix
+++ b/nix/hosts/heraclitus/homebrew.nix
@@ -90,6 +90,7 @@ _:
       "tailscale-app"
       "todoist-app"
       "visual-studio-code"
+      "zen"
       "zoom"
       "zulu@17"
     ];