diff --git a/flake.lock b/flake.lock
index af0d66b..0a16c65 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1753702336,
-        "narHash": "sha256-IVFUQV6egGQHnm+I183OT+4ct/ka1IWA5u/0A9I/YV4=",
+        "lastModified": 1755511413,
+        "narHash": "sha256-cBBF+nwGrSroN6ZewHPFaSThyCvwBxSZMdYEH8DxDx8=",
         "owner": "catppuccin",
         "repo": "nix",
-        "rev": "b32de96c3c5384c83b0f4d741ec58a7f97c9ab11",
+        "rev": "ca11a19d4e1d2ba5e6162f40cb71288551fd51dd",
         "type": "github"
       },
       "original": {
@@ -22,11 +22,11 @@
     },
     "easy-hosts": {
       "locked": {
-        "lastModified": 1752516011,
-        "narHash": "sha256-YDLW+UdELQndUk2FNe6HixNqkMUPZi+zKuQNEHW6Czo=",
+        "lastModified": 1755470564,
+        "narHash": "sha256-KB1ZryVDoQcbIsItOf4WtxkHhh3ppj+XwMpSnt/2QHc=",
         "owner": "tgirlcloud",
         "repo": "easy-hosts",
-        "rev": "72dc72f9198fedbf091a1a705c24f0cff4f4b6bb",
+        "rev": "d0422bc7b3db26268982aa15d07e60370e76ee1d",
         "type": "github"
       },
       "original": {
@@ -56,11 +56,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1753121425,
-        "narHash": "sha256-TVcTNvOeWWk1DXljFxVRp+E0tzG1LhrVjOGGoMHuXio=",
+        "lastModified": 1754487366,
+        "narHash": "sha256-pHYj8gUBapuUzKV/kN/tR3Zvqc7o6gdFB9XKXIp1SQ8=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "644e0fc48951a860279da645ba77fe4a6e814c5e",
+        "rev": "af66ad14b28a127c5c0f3bbb298218fc63528a18",
         "type": "github"
       },
       "original": {
@@ -76,11 +76,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1753732062,
-        "narHash": "sha256-vojVM0SgFP8crFh1LDDXkzaI9/er/1cuRfbNPhfBHyc=",
+        "lastModified": 1755538029,
+        "narHash": "sha256-XVsragfuN8A/tMiPToejH7RofH15toeIGhlXraX+yBo=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "f49e872f55e36e67ebcb906ff65f86c7a1538f7c",
+        "rev": "bf450a0844e80e6aa22652d3f3728f20cd974527",
         "type": "github"
       },
       "original": {
@@ -120,11 +120,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1753581565,
-        "narHash": "sha256-ci4ue5LefosqA2Cv+yqufb2E7/KIfIRXOS0mXA/3C9E=",
+        "lastModified": 1755395461,
+        "narHash": "sha256-2zsR2QAE7wnDWzzMpVDpV6k+PCrcoVf1+yiNd4dbd08=",
         "owner": "kaylorben",
         "repo": "nixcord",
-        "rev": "cd1d051aeb24912007cef00329b3f5c394e52042",
+        "rev": "b1260171b674953712e093acfd285585f6586a01",
         "type": "github"
       },
       "original": {
@@ -135,11 +135,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1753549186,
-        "narHash": "sha256-Znl7rzuxKg/Mdm6AhimcKynM7V3YeNDIcLjBuoBcmNs=",
+        "lastModified": 1755186698,
+        "narHash": "sha256-wNO3+Ks2jZJ4nTHMuks+cxAiVBGNuEBXsT29Bz6HASo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "17f6bd177404d6d43017595c5264756764444ab8",
+        "rev": "fbcf476f790d8a217c3eab4e12033dc4a0f6d23c",
         "type": "github"
       },
       "original": {
@@ -168,11 +168,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1752544651,
-        "narHash": "sha256-GllP7cmQu7zLZTs9z0J2gIL42IZHa9CBEXwBY9szT0U=",
+        "lastModified": 1754988908,
+        "narHash": "sha256-t+voe2961vCgrzPFtZxha0/kmFSHFobzF00sT8p9h0U=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "2c8def626f54708a9c38a5861866660395bb3461",
+        "rev": "3223c7a92724b5d804e9988c6b447a0d09017d48",
         "type": "github"
       },
       "original": {
diff --git a/modules/home/desktop/gnome/default.nix b/modules/home/desktop/gnome/default.nix
index 5c51b55..7d91ede 100644
--- a/modules/home/desktop/gnome/default.nix
+++ b/modules/home/desktop/gnome/default.nix
@@ -65,7 +65,7 @@ in
       };
     };
     wallpaper =
-      mkOpt str (builtins.toString ../wallpapers/catppuccin/howard-chen-mao-mao-forest-campsite.jpg)
+      mkOpt path ../wallpapers/building_top_sit_dusk.jpg
         "Specify the path of your prefered Gnome wallpaper.";
   };
 
@@ -106,8 +106,8 @@ in
             dynamic-opacity = false;
           };
       "org/gnome/desktop/background" = {
-        picture-uri = cfg.wallpaper;
-        picture-uri-dark = cfg.wallpaper;
+        picture-uri = "file://${cfg.wallpaper}";
+        picture-uri-dark = "file://${cfg.wallpaper}";
       };
       "org/gnome/desktop/interface" = {
         color-scheme = "prefer-dark";
diff --git a/modules/home/desktop/wallpapers/building_top_sit_dusk.jpg b/modules/home/desktop/wallpapers/building_top_sit_dusk.jpg
new file mode 100644
index 0000000..5b2f32c
Binary files /dev/null and b/modules/home/desktop/wallpapers/building_top_sit_dusk.jpg differ
diff --git a/systems/x86_64-nixos/puzzlevision/default.nix b/systems/x86_64-nixos/puzzlevision/default.nix
index 20f3332..3c3f243 100644
--- a/systems/x86_64-nixos/puzzlevision/default.nix
+++ b/systems/x86_64-nixos/puzzlevision/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ config, ... }:
 {
   imports = [
     ./hardware.nix
@@ -32,6 +32,8 @@
     };
 
     archetypes.laptop.enable = true;
+
+    system.kernel.version = "linuxPackages_6_15";
   };
 
   # Configure 8GB SWAP partition
@@ -43,9 +45,11 @@
   ];
 
   boot = {
+    kernelModules = [ "8821ce" ];
+
     # Configure additional kernel modules.
-    extraModulePackages = [
-      pkgs.linuxPackages_latest.rtl8821ce # Use custom network-card driver.
+    extraModulePackages = with config.boot.kernelPackages; [
+      rtl8821ce
     ];
 
     blacklistedKernelModules = [