diff --git a/config/profiles/builder.nix b/config/profiles/builder.nix
index 8e81522..6cbc427 100644
--- a/config/profiles/builder.nix
+++ b/config/profiles/builder.nix
@@ -7,7 +7,7 @@
   nix.extraOptions = ''
     min-free = ${builtins.toString (16384 * 1024 * 1024)}
     max-free = ${builtins.toString (32768 * 1024 * 1024)}
-    max-substitution-jobs = 20
+    max-substitution-jobs = 30
     max-silent-time = 14400
   '';
   nix.sshServe = {
diff --git a/config/services/hydra/default.nix b/config/services/hydra/default.nix
index 404be76..e3cea02 100644
--- a/config/services/hydra/default.nix
+++ b/config/services/hydra/default.nix
@@ -43,6 +43,11 @@
     };
   };
 
+  systemd.services.hydra-evaluator.serviceConfig = {
+    MemoryHigh = "250G";
+    MemoryMax = "254G";
+  };
+
   kyouma.nginx.defaultForbidden = "hydra.kyouma.net";
   kyouma.nginx.virtualHosts = {
     "hydra.kyouma.net".locations."/".proxyPass = "http://localhost:3000";
diff --git a/config/services/hydra/nix-config.nix b/config/services/hydra/nix-config.nix
index 18bfc0e..6359fc5 100644
--- a/config/services/hydra/nix-config.nix
+++ b/config/services/hydra/nix-config.nix
@@ -1,12 +1,14 @@
 { config, lib, ... }: {
-  nix.buildMachines = [
+  nix.buildMachines = let
+    base = [ "nixos-test" "benchmark" "big-parallel" "kvm" ];
+  in [
     {
       hostName = "localhost";
       protocol = null;
       maxJobs = 0;
       speedFactor = 0;
       systems = [ "x86_64-linux" ];
-      supportedFeatures = [ "nixos-test" "benchmark" "big-parallel" "kvm" ];
+      supportedFeatures = base;
     }
     {
       hostName = "integra.kyouma.net";
@@ -14,20 +16,20 @@
       maxJobs = 2;
       speedFactor = 4;
       systems = [ "aarch64-linux" ];
-      supportedFeatures = [ "nixos-test" "benchmark" "big-parallel" "kvm" ];
+      supportedFeatures = base;
       sshKey = config.sops.secrets."services/hydra/id_ed25519_hydra".path;
     }
     {
-      hostName = "build-worker-04.nyantec.com";
-      sshUser = "nix-ssh";
-      maxJobs = 4;
-      speedFactor = 18;
-      systems = [ "x86_64-linux" "riscv64-linux" ];
-      supportedFeatures = [ "nixos-test" "benchmark" "big-parallel" "kvm" "gccarch-x86-64" "gccarch-x86-64-v2" "gccarch-x86-64-v3" ];
+      hostName = "schrodinger.kyouma.net";
+      sshUser = "root";
+      maxJobs = 2;
+      speedFactor = 20;
+      systems = [ "riscv64-linux" ];
+      supportedFeatures = base ++ [ "gccarch-rv64imac" "gccarch-rv64imacfd" ];
       sshKey = config.sops.secrets."services/hydra/id_ed25519_hydra".path;
     }
-  ] ++ lib.forEach [ "01" "02" "03" "05" "06" "07" "08" "09" ] (num: {
-      hostName = "build-worker-${num}";
+  ] ++ lib.forEach (lib.genList (i: i + 1) 8) (num: {
+      hostName = "build-worker-0${toString num}";
       sshUser = "root";
       maxJobs = 2;
       speedFactor = 20;
@@ -35,6 +37,8 @@
       supportedFeatures = [ "nixos-test" "benchmark" "big-parallel" "gccarch-x86-64" "gccarch-x86-64-v2" "gccarch-x86-64-v3" ];
       sshKey = config.sops.secrets."services/hydra/id_ed25519_hydra".path;
   });
+  nix.distributedBuilds = true;
+  nixpkgs.config.allowUnsupportedSystem = true;
   nix.gc.options = lib.mkForce "--delete-older-than 90d";
   nix.settings = {
     allowed-uris = [
@@ -49,6 +53,7 @@
       "build-worker-03.nyantec.com".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEGqTY74c5g15DSNPNM2Wdr5jAwS7BFgX1XRnhtGOnJc";
       "build-worker-04.nyantec.com".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICOq+5I+nlAN2lJoOtoXrYEDuZ/TMPMa43pIlablYigK";
       "integra.kyouma.net".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIBwEQiSfaDrUAwgul4mktusBPcIVxI4pLNDh9DPopVU";
+      "schrodinger.kyouma.net".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKo7vZ6lS1wx76YsbAdhOsGcc20YMAW52ep8SZ/FCHDp";
       "localhost".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPNVavo3YHVsrYwXRVISu7kDoknn+5inFGySn4azlB8P";
       "[build-worker-kyoumanet.fly.dev]:2201".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDL2M97UBHg9aUfjDUxzmzg1r0ga0m3/stummBVwuEAB";
       "[build-worker-kyoumanet.fly.dev]:2202".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOTwVKL0P0chPM2Gz23rbT94844+w1CGJdCaZdzfjThz";
@@ -59,31 +64,10 @@
       "[build-worker-kyoumanet.fly.dev]:2207".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIL9z95a6Fn/dB+iNigEYpuJdBnBwCkIZYaKHcFbGP+RY";
       "[build-worker-kyoumanet.fly.dev]:2208".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAk+FNMhTfAVqk3MfLp4QiG/i5ti53DlpnC0q+sOvU9O";
     }; 
-    extraConfig = ''
-      Host build-worker-01
+    extraConfig = lib.concatLines (lib.genList (i: ''
+      Host build-worker-0${toString (i + 1)}
         Hostname build-worker-kyoumanet.fly.dev
-        Port 2201
-      Host build-worker-02
-        Hostname build-worker-kyoumanet.fly.dev
-        Port 2202
-      Host build-worker-03
-        Hostname build-worker-kyoumanet.fly.dev
-        Port 2203
-      Host build-worker-05
-        Hostname build-worker-kyoumanet.fly.dev
-        Port 2204
-      Host build-worker-06
-        Hostname build-worker-kyoumanet.fly.dev
-        Port 2205
-      Host build-worker-07
-        Hostname build-worker-kyoumanet.fly.dev
-        Port 2206
-      Host build-worker-08
-        Hostname build-worker-kyoumanet.fly.dev
-        Port 2207
-      Host build-worker-09
-        Hostname build-worker-kyoumanet.fly.dev
-        Port 2208
-    '';
+        Port 220${toString (i + 1)}
+    '') 8);
   };
 }
diff --git a/modules/graphical/default.nix b/modules/graphical/default.nix
index 516e2f0..388aa65 100644
--- a/modules/graphical/default.nix
+++ b/modules/graphical/default.nix
@@ -162,7 +162,7 @@ in {
         style.package = with pkgs; [
           libsForQt5.qtstyleplugin-kvantum
           qt6Packages.qtstyleplugin-kvantum
-          (catppuccin-kvantum.override { accent = "Mauve"; variant = "Macchiato"; })
+          (catppuccin-kvantum.override { accent = "mauve"; variant = "macchiato"; })
         ];
       };
       gtk.iconTheme.name = "Adwaita";