diff --git a/flake.lock b/flake.lock
index 23737c8..122762c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -22,11 +22,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1651007218,
-        "narHash": "sha256-NkQAMtqW0PSJTbLHalyZtaqj0ai2TZMOedug9yDIcFw=",
+        "lastModified": 1651519540,
+        "narHash": "sha256-3k6p8VsTwwRPQjE8rrMh+o2AZACZn/eeYJ7ivdQ/Iro=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "d14adb99f3fb562ec74ad18c032efc154b438034",
+        "rev": "d93d56ab8c1c6aa575854a79b9d2f69d491db7d0",
         "type": "github"
       },
       "original": {
@@ -43,11 +43,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1651262513,
-        "narHash": "sha256-5iW1fevaAD0Rbtbgb4I++7fyaND3oarGs3mAjyadE0Y=",
+        "lastModified": 1651652192,
+        "narHash": "sha256-3FUsIJ81p57rOxODRVZ+anhnVav96VWbgNA1H3Np+TY=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "f8b51be7149a0735e87b232d21ae4f852619eac7",
+        "rev": "267462dfb36d447421c789a3adf9d460cd09c147",
         "type": "github"
       },
       "original": {
@@ -73,11 +73,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1651310835,
-        "narHash": "sha256-MLk/zsLlbPhwFucxL64Fr+oIrvQC2/76Ap2F7ekbPNI=",
+        "lastModified": 1651662302,
+        "narHash": "sha256-utlTjLa1s4ezdQIUvnBtmA9TBYFrPlXpAJnCXEiZFZI=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "fd3e33d696b81e76b30160dfad2efb7ac1f19879",
+        "rev": "dff5496b12817e3d019983827c4b7ba7beb96580",
         "type": "github"
       },
       "original": {
@@ -109,11 +109,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1651286718,
-        "narHash": "sha256-sPGOKDL6TNRfLnwarbdlmeD0FW4BmPfOoB/AMax91pg=",
+        "lastModified": 1651632340,
+        "narHash": "sha256-Kq1yghXZxJ12Sw1nbzoO2Ag8/AxqbbD84wiz8go159o=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "8a687a6e5dc1f5c39715b01521a7aa0122529a05",
+        "rev": "88991ffbd57e10b474ea768ec0b54c4f379c566c",
         "type": "github"
       },
       "original": {
@@ -147,11 +147,11 @@
     },
     "unstable": {
       "locked": {
-        "lastModified": 1651007983,
-        "narHash": "sha256-GNay7yDPtLcRcKCNHldug85AhAvBpTtPEJWSSDYBw8U=",
+        "lastModified": 1651558728,
+        "narHash": "sha256-8HzyRnWlgZluUrVFNOfZAOlA1fghpOSezXvxhalGMUo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e10da1c7f542515b609f8dfbcf788f3d85b14936",
+        "rev": "cbe587c735b734405f56803e267820ee1559e6c1",
         "type": "github"
       },
       "original": {
diff --git a/themes/thomorrow-night.nix b/themes/thomorrow-night.nix
new file mode 100644
index 0000000..48df0a0
--- /dev/null
+++ b/themes/thomorrow-night.nix
@@ -0,0 +1,19 @@
+# Onedark palette (https://github.com/chriskempson/tomorrow-theme)
+rec {
+  background = "#1d1f21";
+  currentLine = "#282a2e";
+  selection = "#373b41";
+  foreground = "#c5c8c6";
+  comment = "#969896";
+  red = "#cc6666";
+  orange = "#de935f";
+  yellow = "#f0c674";
+  green = "#b5bd68";
+  aqua = "#8abeb7";
+  blue = "#81a2be";
+  purple = "#b294bb";
+
+  black = background;
+  white = foreground;
+  cyan = aqua;
+}
diff --git a/thor/configuration.nix b/thor/configuration.nix
index fa9de7e..a7b001b 100644
--- a/thor/configuration.nix
+++ b/thor/configuration.nix
@@ -172,7 +172,7 @@
     kvmgt.enable = true;
     libvirtd.enable = true;
     podman.enable = true;
-    virtualbox.host.enable = true;
+    # virtualbox.host.enable = true;
   };
 
   nixpkgs.config = {