diff --git a/flake.lock b/flake.lock
index 919a4499..93432a94 100644
--- a/flake.lock
+++ b/flake.lock
@@ -186,6 +186,30 @@
         "type": "github"
       }
     },
+    "konawall-rs": {
+      "inputs": {
+        "flake-utils": [
+          "utils"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust": "rust"
+      },
+      "locked": {
+        "lastModified": 1690746910,
+        "narHash": "sha256-ouCKyuyjs9+oSrOpIBlVi6R5LLAu+kBORdEaCuDQxwM=",
+        "owner": "kittywitch",
+        "repo": "konawall-rs",
+        "rev": "17fc3098ffd993e4d1820da72b0866390484161b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "kittywitch",
+        "repo": "konawall-rs",
+        "type": "github"
+      }
+    },
     "mach-nix": {
       "inputs": {
         "flake-utils": [
@@ -271,18 +295,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1689679375,
-        "narHash": "sha256-LHUC52WvyVDi9PwyL1QCpaxYWBqp4ir4iL6zgOkmcb8=",
-        "owner": "nixos",
+        "lastModified": 1683185507,
+        "narHash": "sha256-Wcj09pigMFgj+0borXeoJvVMwH2Rc4gkSq4BwNq3k7s=",
+        "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "684c17c429c42515bafb3ad775d2a710947f3d67",
+        "rev": "63464b8c2837ec56e1d610f5bd2a9b8e1f532c07",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
+        "id": "nixpkgs",
+        "type": "indirect"
       }
     },
     "nixpkgs-stable": {
@@ -301,6 +323,22 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1689679375,
+        "narHash": "sha256-LHUC52WvyVDi9PwyL1QCpaxYWBqp4ir4iL6zgOkmcb8=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "684c17c429c42515bafb3ad775d2a710947f3d67",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "poetry2nix": {
       "inputs": {
         "flake-utils": "flake-utils",
@@ -349,10 +387,11 @@
         "empty": "empty",
         "flake-compat": "flake-compat",
         "home-manager": "home-manager",
+        "konawall-rs": "konawall-rs",
         "mach-nix": "mach-nix",
         "nix-index-database": "nix-index-database",
         "nixos-hardware": "nixos-hardware",
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": "nixpkgs_2",
         "pypi-deps-db": "pypi-deps-db",
         "scalpel": "scalpel",
         "sops-nix": "sops-nix",
@@ -363,6 +402,24 @@
         "wsl": "wsl"
       }
     },
+    "rust": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1689281833,
+        "narHash": "sha256-+VQV7vtmrFNl5MEKASZ3Kc/y9J2ljEljbw500g5rb/E=",
+        "owner": "arcnmx",
+        "repo": "nixexprs-rust",
+        "rev": "ec3881a307d3b586b2942af40e7053c8b264300e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "arcnmx",
+        "repo": "nixexprs-rust",
+        "type": "github"
+      }
+    },
     "scalpel": {
       "inputs": {
         "nixpkgs": [
diff --git a/flake.nix b/flake.nix
index e18a222e..df749d74 100644
--- a/flake.nix
+++ b/flake.nix
@@ -61,6 +61,14 @@
       inputs.std.follows = "std";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    # konawall-rs
+    konawall-rs = {
+      url = "github:kittywitch/konawall-rs";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+        flake-utils.follows = "utils";
+      };
+    };
     # hardware quirks
     nixos-hardware.url = "github:NixOS/nixos-hardware";
     # secrets
diff --git a/modules/home/base16.nix b/modules/home/base16.nix
index 4ca22da2..3e4a6b88 100644
--- a/modules/home/base16.nix
+++ b/modules/home/base16.nix
@@ -5,7 +5,7 @@
   std,
   ...
 }: let
-  inherit (lib.option) mkOption;
+  inherit (lib.options) mkOption;
   inherit (lib.types) attrsOf str enum;
   inherit (lib.modules) mkIf;
   inherit (std) string set tuple list;
@@ -48,7 +48,7 @@ in {
       src,
     }: let
       variables = pkgs.writeText "base-variables.sass" ''
-        ${(string.concatSep "\n" (mapToValues (var: con: "\$${var}: ${con}") cfg.sass.variables))}
+        ${(string.concatSep "\n" (set.mapToValues (var: con: "\$${var}: ${con}") cfg.sass.variables))}
       '';
       source =
         pkgs.callPackage
diff --git a/overlays.nix b/overlays.nix
index f11d4f6c..a6e1e653 100644
--- a/overlays.nix
+++ b/overlays.nix
@@ -3,10 +3,11 @@
   tree,
   ...
 }:
-[
-  inputs.deploy-rs.overlay
-  (import tree.packages.default {inherit inputs tree;})
-]
-++ map (path: import "${path}/overlay.nix") [
+map (path: import "${path}/overlay.nix") [
   inputs.arcexprs
 ]
+++ [
+  inputs.deploy-rs.overlay
+  inputs.konawall-rs.overlays.default
+  (import tree.packages.default {inherit inputs tree;})
+]
diff --git a/systems/sumireko.nix b/systems/sumireko.nix
index c5df004c..1def27e6 100644
--- a/systems/sumireko.nix
+++ b/systems/sumireko.nix
@@ -64,6 +64,17 @@ _: let
     ];
 
     home-manager.users.kat = {
+      services.konawall = {
+        enable = true;
+        interval_macos = 3600;
+        mode = "shuffle";
+        commonTags = ["width:>=1600"];
+        tagList = [
+          "score:>=50"
+          #"no_humans"
+          "rating:s"
+        ];
+      };
       home.file.".orbstack/ssh/authorized_keys".text =
         (string.concatSep "\n" tree.kat.user.data.keys)
         + ''
diff --git a/tree.nix b/tree.nix
index 049cba74..ff37d064 100644
--- a/tree.nix
+++ b/tree.nix
@@ -74,6 +74,7 @@
         enable = true;
         external = with inputs; [
           home-manager.darwinModules.home-manager
+          #konawall-rs.darwinModules.konawall
         ];
       };
     };
@@ -83,11 +84,11 @@
         external = with inputs;
           [
             nix-index-database.hmModules.nix-index
+            konawall-rs.hmModules.konawall
           ]
           ++ (with (import (inputs.arcexprs + "/modules")).home-manager; [
             base16
             i3gopher
-            konawall
           ]);
       };
     };