diff --git a/flake.lock b/flake.lock
index b6da660..7f83475 100644
--- a/flake.lock
+++ b/flake.lock
@@ -10,11 +10,11 @@
         "yafas": "yafas"
       },
       "locked": {
-        "lastModified": 1705936270,
-        "narHash": "sha256-HAnbPL7JKembUPWtK57SMXeb7E7A7/RjINCKbeZlnks=",
+        "lastModified": 1706183550,
+        "narHash": "sha256-06BQrrPZDsnFL7WLUveDkKk1ZVxAnmc6mFNP4Vb84qY=",
         "owner": "chaotic-cx",
         "repo": "nyx",
-        "rev": "faad469131e78f786e8a8f5aaf94ed5c91457933",
+        "rev": "5c1df57391b39bf0880e7b3b9209e4f37e19fcde",
         "type": "github"
       },
       "original": {
@@ -45,11 +45,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1705890365,
-        "narHash": "sha256-MObB+fipA/2Ai3uMuNouxcwz0cqvELPpJ+hfnhSaUeA=",
+        "lastModified": 1706145859,
+        "narHash": "sha256-+iGHKwzKVW6aGAWfUmUSJW1KiE6WLYhKyTyWZMTw/cg=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "9fcdf3375e01e2938a49df103af9fd21bd0f89d9",
+        "rev": "5a2dc95464080764b9ca1b82b5d6d981157522be",
         "type": "github"
       },
       "original": {
@@ -69,11 +69,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1701334333,
-        "narHash": "sha256-rsJ11xznoc2JSmM57bstxyas8xq8ZaEqNhQuQWyoQ/A=",
+        "lastModified": 1706170797,
+        "narHash": "sha256-oGuFylWYU9OY5DaEJEK+Z7EL81Ln27xz01LN9+8U0P0=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "913e44a13636fd111139ee683a6741ccb4c28672",
+        "rev": "dd5d758f69dd1ae6d0399763aa73ca34974ce9e3",
         "type": "github"
       },
       "original": {
@@ -533,12 +533,12 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1704722960,
-        "narHash": "sha256-mKGJ3sPsT6//s+Knglai5YflJUF2DGj7Ai6Ynopz0kI=",
-        "rev": "317484b1ead87b9c1b8ac5261a8d2dd748a0492d",
-        "revCount": 567746,
+        "lastModified": 1705856552,
+        "narHash": "sha256-JXfnuEf5Yd6bhMs/uvM67/joxYKoysyE3M2k6T3eWbg=",
+        "rev": "612f97239e2cc474c13c9dafa0df378058c5ad8d",
+        "revCount": 574351,
         "type": "tarball",
-        "url": "https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.1.567746%2Brev-317484b1ead87b9c1b8ac5261a8d2dd748a0492d/018cf30b-2ac5-7f74-8197-15b6091e04ca/source.tar.gz"
+        "url": "https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.1.574351%2Brev-612f97239e2cc474c13c9dafa0df378058c5ad8d/018d3085-aff0-7a0b-ab80-1a9c414de8cd/source.tar.gz"
       },
       "original": {
         "type": "tarball",
@@ -714,11 +714,11 @@
     },
     "nur": {
       "locked": {
-        "lastModified": 1706003092,
-        "narHash": "sha256-5Y+2oH4cmHua0Y3dmBOhkAoRV3UxExFWBGbkfIQnVfw=",
+        "lastModified": 1706174248,
+        "narHash": "sha256-VNN7md+kJhBvl5bINEXybSG4jHavrQIlXdywpcaEEwc=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "dbda804cf36a64d698b1ef4df35ecabfa45442a6",
+        "rev": "20f64c7125413fc19372f11b45db99363bea7c1f",
         "type": "github"
       },
       "original": {
diff --git a/home-mods/firefox/default.nix b/home-mods/firefox/default.nix
index 523928c..410b590 100644
--- a/home-mods/firefox/default.nix
+++ b/home-mods/firefox/default.nix
@@ -5,7 +5,7 @@
 }: {
   programs.firefox = {
     enable = true;
-    package = pkgs.unstable-pkgs.firefox;
+    package = pkgs.unstable-os.firefox;
 
     profiles = {
       default = {
diff --git a/home-mods/shell/default.nix b/home-mods/shell/default.nix
index 433ecd4..9823096 100644
--- a/home-mods/shell/default.nix
+++ b/home-mods/shell/default.nix
@@ -108,6 +108,12 @@ in
       package = pkgs.unstable-pkgs.openssh;
 
       matchBlocks = {
+        "he4" = {
+          host = "he4";
+          hostname = "he4.vault81.de";
+          user = "tristand";
+          identityFile = "~/.ssh/id_ed25519";
+        };
         "he3" = {
           host = "he3";
           hostname = "he3.vault81.de";