diff --git a/flake.lock b/flake.lock
index 2a8b20d..04719bc 100644
--- a/flake.lock
+++ b/flake.lock
@@ -122,11 +122,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1746203026,
-        "narHash": "sha256-SyXvOYSdP5AeWBZ9Bh0R//o3qJb9MOa5p3aIUqZ5RnI=",
+        "lastModified": 1746240489,
+        "narHash": "sha256-DWMG7jkpxrEGzTZZerDqaxT8X983tibFGfNeoWtX1yU=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "a738f51b28507d1c68ec612d75840a6165ebe1bf",
+        "rev": "66bb2d7a4df96d0c1e63648850b7aed1b2e8d683",
         "type": "github"
       },
       "original": {
@@ -387,11 +387,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1746204974,
-        "narHash": "sha256-Evu4H0/kzaQoCNLGQTp+JGTqkywzPx0IAo20Ci2zNck=",
+        "lastModified": 1746243165,
+        "narHash": "sha256-DQycVmlyLQNLjLJ/FzpokVmbxGQ8HjQQ4zN4nyq2vII=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "1e8c62c651242fc685b10efc4a48ab777635fb7f",
+        "rev": "c0962eeeabfb8127713f859ec8a5f0e86dead0f2",
         "type": "github"
       },
       "original": {
@@ -647,11 +647,11 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1746055187,
-        "narHash": "sha256-3dqArYSMP9hM7Qpy5YWhnSjiqniSaT2uc5h2Po7tmg0=",
+        "lastModified": 1746183838,
+        "narHash": "sha256-kwaaguGkAqTZ1oK0yXeQ3ayYjs8u/W7eEfrFpFfIDFA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3e362ce63e16b9572d8c2297c04f7c19ab6725a5",
+        "rev": "bf3287dac860542719fe7554e21e686108716879",
         "type": "github"
       },
       "original": {
@@ -1009,11 +1009,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1745929750,
-        "narHash": "sha256-k5ELLpTwRP/OElcLpNaFWLNf8GRDq4/eHBmFy06gGko=",
+        "lastModified": 1746216483,
+        "narHash": "sha256-4h3s1L/kKqt3gMDcVfN8/4v2jqHrgLIe4qok4ApH5x4=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "82bf32e541b30080d94e46af13d46da0708609ea",
+        "rev": "29ec5026372e0dec56f890e50dbe4f45930320fd",
         "type": "github"
       },
       "original": {
diff --git a/hmModules/emacs/init.el b/hmModules/emacs/init.el
index 13eb711..b142b0f 100644
--- a/hmModules/emacs/init.el
+++ b/hmModules/emacs/init.el
@@ -43,8 +43,8 @@
 
 (use-package emacs
   :bind (("<mouse-4>" . scroll-down-line)
-	 ("<mouse-5>" . scroll-up-line)
-	 (("C-x F" . recentf-open)))
+	     ("<mouse-5>" . scroll-up-line)
+	     (("C-x F" . recentf-open)))
   :hook (server-after-make-frame . (lambda () (xterm-mouse-mode +1))) ;; FIXME why is this needed?
   :custom
   (use-dialog-box nil)
@@ -61,6 +61,8 @@
   (treesit-font-lock-level 4)
   (custom-file "~/.config/emacs/custom.el")
   (frame-title-format "%b - Emacs")
+  (indent-tabs-mode nil)
+  (tab-width 4)
   :config
   (set-face-background 'vertical-border (face-background 'default))
   (set-display-table-slot standard-display-table 'vertical-border (make-glyph-code ?┃))
@@ -83,7 +85,7 @@
   (defun ccr/nixos-rebuild ()
     (interactive)
     (let* ((operation (completing-read "nixos-rebuild " '("switch" "boot" "test" "dry-activate")))
-	   (buffer-name (format "nixos-rebuild-%s" operation)))
+	       (buffer-name (format "nixos-rebuild-%s" operation)))
       (async-shell-command (format "sudo nixos-rebuild --flake fleet %s -L" operation) buffer-name)))
   )
 
diff --git a/hmModules/firefox/default.nix b/hmModules/firefox/default.nix
index 9100a3e..50ff899 100644
--- a/hmModules/firefox/default.nix
+++ b/hmModules/firefox/default.nix
@@ -14,7 +14,10 @@ in
 {
   programs.firefox = {
     enable = true;
-    nativeMessagingHosts = [ pkgs.tridactyl-native ];
+    nativeMessagingHosts = [
+      pkgs.tridactyl-native
+      pkgs.vdhcoapp
+    ];
     policies = {
       DisableTelemetry = true;
       DisableFirefoxStudies = true;