diff --git a/config/services/hydra/default.nix b/config/services/hydra/default.nix
index e3cea02..2bd0cc2 100644
--- a/config/services/hydra/default.nix
+++ b/config/services/hydra/default.nix
@@ -30,8 +30,8 @@
     extraConfig = ''
       server_store_uri = https://cache.kyouma.net
       binary_cache_public_uri = https://cache.kyouma.net
-      evaluator_workers = 8
-      evaluator_max_memory_size = 16384
+      evaluator_workers = 6
+      evaluator_max_memory_size = 12288
       max_output_size = ${builtins.toString (24 * 1024 * 1024 * 1024)}
     '';
   };
diff --git a/config/services/hydra/nix-config.nix b/config/services/hydra/nix-config.nix
index 6d7c579..c836a27 100644
--- a/config/services/hydra/nix-config.nix
+++ b/config/services/hydra/nix-config.nix
@@ -64,6 +64,7 @@
       "integra.kyouma.net".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIBwEQiSfaDrUAwgul4mktusBPcIVxI4pLNDh9DPopVU";
       "schrodinger.kyouma.net".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKo7vZ6lS1wx76YsbAdhOsGcc20YMAW52ep8SZ/FCHDp";
       "[machine.cloud-v.co]:20008".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIK6Kri0cjPKEXXDEl2GwfwzPO9wuPZEgJS0M6lKRHCqH";
+      "lab.nyantec.com".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIUePtVPtBK+CYosufbaGiMT4EVanti4V5t2Wg0g/Fy4";
       "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";
diff --git a/flake.lock b/flake.lock
index e78b0ae..c7629dd 100644
--- a/flake.lock
+++ b/flake.lock
@@ -156,11 +156,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1731549112,
-        "narHash": "sha256-c9I3i1CwZ10SoM5npQQVnfwgvB86jAS3lT4ZqkRoSOI=",
+        "lastModified": 1731746438,
+        "narHash": "sha256-f3SSp1axoOk0NAI7oFdRzbxG2XPBSIXC+/DaAXnvS1A=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "5fd852c4155a689098095406500d0ae3d04654a8",
+        "rev": "cb64993826fa7a477490be6ccb38ba1fa1e18fa8",
         "type": "github"
       },
       "original": {
@@ -381,11 +381,11 @@
         "systems": "systems_3"
       },
       "locked": {
-        "lastModified": 1726560853,
-        "narHash": "sha256-X6rJYSESBVr3hBoH0WbKE5KvhPU5bloyZ2L4K60/fPQ=",
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "c1dfcf08411b08f6b8615f7d8971a2bfa81d5e8a",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {
@@ -582,11 +582,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1731604581,
-        "narHash": "sha256-Qq2YZZaDTB3FZLWU/Hgh1uuWlUBl3cMLGB99bm7rFUM=",
+        "lastModified": 1731786860,
+        "narHash": "sha256-130gQ5k8kZlxjBEeLpE+SvWFgSOFgQFeZlqIik7KgtQ=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "1d0862ee2d7c6f6cd720d6f32213fa425004be10",
+        "rev": "1bd5616e33c0c54d7a5b37db94160635a9b27aeb",
         "type": "github"
       },
       "original": {
@@ -733,11 +733,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1731454423,
-        "narHash": "sha256-TtwvgFxUa0wyptLhQbKaixgNW1UXf3+TDqfX3Kp63oM=",
+        "lastModified": 1731642829,
+        "narHash": "sha256-vG+O2RZRzYZ8BUMNNJ+BLSj6PUoGW7taDQbp6QNJ3Xo=",
         "owner": "lnl7",
         "repo": "nix-darwin",
-        "rev": "6c71c49e2448e51ad830ed211024e6d0edc50116",
+        "rev": "f86f158efd4bab8dce3e207e4621f1df3a760b7a",
         "type": "github"
       },
       "original": {
@@ -835,11 +835,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1731403644,
-        "narHash": "sha256-T9V7CTucjRZ4Qc6pUEV/kpgNGzQbHWfGcfK6JJLfUeI=",
+        "lastModified": 1731797098,
+        "narHash": "sha256-UhWmEZhwJZmVZ1jfHZFzCg+ZLO9Tb/v3Y6LC0UNyeTo=",
         "owner": "nixos",
         "repo": "nixos-hardware",
-        "rev": "f6581f1c3b137086e42a08a906bdada63045f991",
+        "rev": "672ac2ac86f7dff2f6f3406405bddecf960e0db6",
         "type": "github"
       },
       "original": {
@@ -966,11 +966,11 @@
     },
     "nixpkgs_4": {
       "locked": {
-        "lastModified": 1731319897,
-        "narHash": "sha256-PbABj4tnbWFMfBp6OcUK5iGy1QY+/Z96ZcLpooIbuEI=",
+        "lastModified": 1731676054,
+        "narHash": "sha256-OZiZ3m8SCMfh3B6bfGC/Bm4x3qc1m2SVEAlkV6iY7Yg=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "dc460ec76cbff0e66e269457d7b728432263166c",
+        "rev": "5e4fbfb6b3de1aa2872b76d49fafc942626e2add",
         "type": "github"
       },
       "original": {
@@ -997,11 +997,11 @@
         "treefmt-nix": "treefmt-nix_2"
       },
       "locked": {
-        "lastModified": 1731707185,
-        "narHash": "sha256-IfA3x0eL4Be/7hvdvGSnT8fgiXz7GL3PtjGw3BH68gM=",
+        "lastModified": 1731780782,
+        "narHash": "sha256-CG3rcxcZEViYEUTAXatqXrW0Gn9tQvydF+lLYH+0VPA=",
         "owner": "nix-community",
         "repo": "nixvim",
-        "rev": "be455f7f2714ce3479ae5bb662a03bd450f45793",
+        "rev": "9d99d7cfdbd7f94da9571a4d7bbb9de185241935",
         "type": "github"
       },
       "original": {
@@ -1020,11 +1020,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1731347683,
-        "narHash": "sha256-BcSWCEUBShuB32LPif+EG0XGXyUi2jyjCSpGE1rbOws=",
+        "lastModified": 1731582522,
+        "narHash": "sha256-1w6aM4bG5cl2E4jHLPnMKkrUO4tY1jUX1NI6/RwJN7Y=",
         "owner": "NuschtOS",
         "repo": "search",
-        "rev": "135d202e032be70c93b6d7d53592ef4799d6efde",
+        "rev": "13300b2297c51368e0892c3ebe220f688014fe15",
         "type": "github"
       },
       "original": {
@@ -1080,11 +1080,11 @@
         "nixpkgs-stable": "nixpkgs-stable_2"
       },
       "locked": {
-        "lastModified": 1731364708,
-        "narHash": "sha256-HC0anOL+KmUQ2hdRl0AtunbAckasxrkn4VLmxbW/WaA=",
+        "lastModified": 1731748189,
+        "narHash": "sha256-Zd/Uukvpcu26M6YGhpbsgqm6LUSLz+Q8mDZ5LOEGdiE=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "4c91d52db103e757fc25b58998b0576ae702d659",
+        "rev": "d2bd7f433b28db6bc7ae03d5eca43564da0af054",
         "type": "github"
       },
       "original": {