diff --git a/nix/configurations/installer.nix b/nix/configurations/installer.nix
index 44ae03b3..035d918d 100644
--- a/nix/configurations/installer.nix
+++ b/nix/configurations/installer.nix
@@ -12,6 +12,7 @@
 }: {
   imports = [
     ../nixosModules/common/system-nixconf.nix
+    ../nixosModules/common/sudo-conf.nix
 
     (modulesPath + "/installer/cd-dvd/installation-cd-minimal.nix")
   ];
diff --git a/nix/configurations/vanadium/home/dev.nix b/nix/configurations/vanadium/home/dev.nix
index 8fbe473b..57bcf93e 100644
--- a/nix/configurations/vanadium/home/dev.nix
+++ b/nix/configurations/vanadium/home/dev.nix
@@ -35,8 +35,11 @@
     signing.signByDefault = true;
     maintenance = {
       enable = true;
-      repositories = lib.map (path: config.home.homeDirectory + "/${path}") [
-        "r/nixos/nixpkgs"
+      # We don't deal with worktree folders anyway
+      repositories = lib.map (path: "${config.home.homeDirectory}/r/${path}") [
+        "nixos/nixpkgs"
+        "ghc/ghc"
+        "haskell/cabal"
       ];
     };
     includes = let
diff --git a/nix/configurations/vanadium/home/misc.nix b/nix/configurations/vanadium/home/misc.nix
index b7741b36..c1fff0e5 100644
--- a/nix/configurations/vanadium/home/misc.nix
+++ b/nix/configurations/vanadium/home/misc.nix
@@ -30,7 +30,7 @@
 
   home.file = {
     ".xscreensaver".source = "${./xscreensaver/.xscreensaver}";
-    ".wallpaper".source = "${pkgs.wallpapers_source}/images/KnightsOfGuinevere/guinevere_francesca.png";
+    ".wallpaper".source = "${pkgs.wallpapers.packages.knights_of_guinevere.fixing_gwen}";
   };
   xdg.configFile = {
     "xmonad".source = "${./xmonad}";
diff --git a/nix/configurations/vanadium/nixos/connectivity.nix b/nix/configurations/vanadium/nixos/connectivity.nix
index 3a23eb64..b2f9a380 100644
--- a/nix/configurations/vanadium/nixos/connectivity.nix
+++ b/nix/configurations/vanadium/nixos/connectivity.nix
@@ -66,6 +66,10 @@
     '';
   };
 
+  # LAN CONNECTION
+  # ~~~~~~~~~~~~~~
+  # Note that when you're corrected to mullvad, you can't ssh into your local machines.
+  # I wonder if there's an option to turn this off.
   services.mullvad-vpn.enable = true;
 
   hardware.bluetooth.enable = true;
diff --git a/nix/configurations/vanadium/nixos/display.nix b/nix/configurations/vanadium/nixos/display.nix
index 66a45f8c..a9b2267b 100644
--- a/nix/configurations/vanadium/nixos/display.nix
+++ b/nix/configurations/vanadium/nixos/display.nix
@@ -61,11 +61,7 @@
           device, # obtain with `xrandr`
           brightness, # [0..1]
         }:
-        # Hack:
-        # xrandr would consider the display being connected before we can change its brightness
-        # For that reason, we can't base our delay on its output, sadly.
           singleton "10_xrandr_brightness" ''
-            sleep 10
             ${lib.getExe pkgs.xorg.xrandr} --output ${device} --brightness ${toString brightness}
           '';
 
diff --git a/npins/sources.json b/npins/sources.json
index 4201f4b0..c25c916a 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -187,9 +187,9 @@
       },
       "branch": "master",
       "submodules": false,
-      "revision": "43ffe9ac82567512abb83187cb673de1091bdfa8",
-      "url": "https://github.com/NixOS/nixos-hardware/archive/43ffe9ac82567512abb83187cb673de1091bdfa8.tar.gz",
-      "hash": "1amgw52j0z8mgfklgz3nfa1qcr4sj0vblapamqzsw148ii4xblsx"
+      "revision": "7467f155fcba189eb088a7601f44fbef7688669b",
+      "url": "https://github.com/NixOS/nixos-hardware/archive/7467f155fcba189eb088a7601f44fbef7688669b.tar.gz",
+      "hash": "04rpy1nq8bmxbrbqjq0ghvnvmnqay4l2vwncimw0zb6rdnhdxldc"
     },
     "nixpkgs": {
       "type": "Git",
@@ -200,9 +200,9 @@
       },
       "branch": "nixos-25.05-small",
       "submodules": false,
-      "revision": "90b70846420ac681b72176a88d9fd0a5a06c74b1",
-      "url": "https://github.com/NixOS/nixpkgs/archive/90b70846420ac681b72176a88d9fd0a5a06c74b1.tar.gz",
-      "hash": "05ba9jcr3kgg9pn8alnk7bn63xxq2xahw8gpaclsy67q6nbya375"
+      "revision": "0257fc3c4a1ba60fb2a9d19c2915e7315bad41db",
+      "url": "https://github.com/NixOS/nixpkgs/archive/0257fc3c4a1ba60fb2a9d19c2915e7315bad41db.tar.gz",
+      "hash": "18f5jn4wm3g1alfv168bg2xk9zidp0826x4d149li9bljjnp1j29"
     },
     "nur": {
       "type": "Git",
@@ -213,9 +213,9 @@
       },
       "branch": "main",
       "submodules": false,
-      "revision": "fd763567eda0a287d5512590a89b8bdf86f8cf4b",
-      "url": "https://github.com/nix-community/nur/archive/fd763567eda0a287d5512590a89b8bdf86f8cf4b.tar.gz",
-      "hash": "148rl5ckahjw99vvk2xiq17hbfggxp0nqvsr8f22sqs94i171hqh"
+      "revision": "213fb0b7a376c1c901c0d0779a0a8e5985868c42",
+      "url": "https://github.com/nix-community/nur/archive/213fb0b7a376c1c901c0d0779a0a8e5985868c42.tar.gz",
+      "hash": "0503ipivmx0nxm11vbzkpfzn2v7ng19s9zb17a2ipnfr0kkj78p9"
     },
     "pin-emacs28": {
       "type": "Git",
@@ -352,9 +352,9 @@
       },
       "branch": "mistress",
       "submodules": false,
-      "revision": "3e3ed2f3773a4e61db1f4ae8f55dc99c574ee6e1",
-      "url": "https://git.confusedcompiler.org/leana8959/wallpapers/archive/3e3ed2f3773a4e61db1f4ae8f55dc99c574ee6e1.tar.gz",
-      "hash": "1bkxfbxck16zvby5ynhgriv9yf137jmjxfihlwz03lr5cwvdbxbf"
+      "revision": "0eec270ac5fcbc939f475c7954504cfcbde8f7d9",
+      "url": "https://git.confusedcompiler.org/leana8959/wallpapers/archive/0eec270ac5fcbc939f475c7954504cfcbde8f7d9.tar.gz",
+      "hash": "1y5r6gm7b781s70x89ya24sqj9rfza83as0749hkd77b8zncvkkl"
     },
     "wired-notify": {
       "type": "Git",