diff --git a/flake.lock b/flake.lock
index 4d4b302..8f9062d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -98,6 +98,22 @@
         "url": "https://git.clerie.de/clerie/fieldpoc.git"
       }
     },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "flake-parts": {
       "inputs": {
         "nixpkgs-lib": [
@@ -120,6 +136,28 @@
       }
     },
     "flake-parts_2": {
+      "inputs": {
+        "nixpkgs-lib": [
+          "hydra",
+          "nix-eval-jobs",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1730504689,
+        "narHash": "sha256-hgmguH29K2fvs9szpq2r3pz2/8cJd2LPS+b4tfNFCwE=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "506278e768c2a08bec68eb62932193e341f55c90",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "flake-parts_3": {
       "inputs": {
         "nixpkgs-lib": [
           "ssh-to-age",
@@ -181,6 +219,53 @@
         "type": "github"
       }
     },
+    "hydra": {
+      "inputs": {
+        "lix": "lix",
+        "nix-eval-jobs": "nix-eval-jobs",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1733503045,
+        "narHash": "sha256-VoMam8Zzbk+X6dIYwH2f9NqItL6g9YDhQvGybzSl8xQ=",
+        "ref": "refs/heads/main",
+        "rev": "eccf01d4fef67f87b6383f96c73781bd08b686ac",
+        "revCount": 4230,
+        "type": "git",
+        "url": "https://git.lix.systems/lix-project/hydra.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.lix.systems/lix-project/hydra.git"
+      }
+    },
+    "lix": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nix2container": "nix2container",
+        "nixpkgs": [
+          "hydra",
+          "nixpkgs"
+        ],
+        "nixpkgs-regression": "nixpkgs-regression",
+        "pre-commit-hooks": "pre-commit-hooks"
+      },
+      "locked": {
+        "lastModified": 1732112222,
+        "narHash": "sha256-H7GN4++a4vE49SUNojZx+FSk4mmpb2ifJUtJMJHProI=",
+        "ref": "refs/heads/main",
+        "rev": "66f6dbda32959dd5cf3a9aaba15af72d037ab7ff",
+        "revCount": 16513,
+        "type": "git",
+        "url": "https://git.lix.systems/lix-project/lix"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.lix.systems/lix-project/lix"
+      }
+    },
     "mitel-ommclient2": {
       "inputs": {
         "nixpkgs": [
@@ -202,6 +287,72 @@
         "url": "https://git.clerie.de/clerie/mitel_ommclient2.git"
       }
     },
+    "nix-eval-jobs": {
+      "inputs": {
+        "flake-parts": "flake-parts_2",
+        "lix": [
+          "hydra",
+          "lix"
+        ],
+        "nix-github-actions": "nix-github-actions",
+        "nixpkgs": [
+          "hydra",
+          "nixpkgs"
+        ],
+        "treefmt-nix": "treefmt-nix_2"
+      },
+      "locked": {
+        "lastModified": 1732351635,
+        "narHash": "sha256-H94CcQ3yamG5+RMxtxXllR02YIlxQ5WD/8PcolO9yEA=",
+        "ref": "refs/heads/main",
+        "rev": "dfc286ca3dc49118c30d8d6205d6d6af76c62b7a",
+        "revCount": 617,
+        "type": "git",
+        "url": "https://git.lix.systems/lix-project/nix-eval-jobs"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.lix.systems/lix-project/nix-eval-jobs"
+      }
+    },
+    "nix-github-actions": {
+      "inputs": {
+        "nixpkgs": [
+          "hydra",
+          "nix-eval-jobs",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1731952509,
+        "narHash": "sha256-p4gB3Rhw8R6Ak4eMl8pqjCPOLCZRqaehZxdZ/mbFClM=",
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "rev": "7b5f051df789b6b20d259924d349a9ba3319b226",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "type": "github"
+      }
+    },
+    "nix2container": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1724996935,
+        "narHash": "sha256-njRK9vvZ1JJsP8oV2OgkBrpJhgQezI03S7gzskCcHos=",
+        "owner": "nlewo",
+        "repo": "nix2container",
+        "rev": "fa6bb0a1159f55d071ba99331355955ae30b3401",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nlewo",
+        "repo": "nix2container",
+        "type": "github"
+      }
+    },
     "nixos-exporter": {
       "inputs": {
         "nixpkgs": [
@@ -254,6 +405,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-regression": {
+      "locked": {
+        "lastModified": 1643052045,
+        "narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
+        "type": "github"
+      }
+    },
     "nixpkgs-stable": {
       "locked": {
         "lastModified": 1713434076,
@@ -322,6 +489,22 @@
         "url": "https://git.clerie.de/clerie/nurausstieg.git"
       }
     },
+    "pre-commit-hooks": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1726745158,
+        "narHash": "sha256-D5AegvGoEjt4rkKedmxlSEmC+nNLMBPWFxvmYnVLhjk=",
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "rev": "4e743a6920eab45e8ba0fbe49dc459f1423a4b74",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "berlinerbaeder-exporter": "berlinerbaeder-exporter",
@@ -330,6 +513,7 @@
         "fernglas": "fernglas",
         "fieldpoc": "fieldpoc",
         "harmonia": "harmonia",
+        "hydra": "hydra",
         "nixos-exporter": "nixos-exporter",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs_3",
@@ -403,7 +587,7 @@
     },
     "ssh-to-age": {
       "inputs": {
-        "flake-parts": "flake-parts_2",
+        "flake-parts": "flake-parts_3",
         "nixpkgs": [
           "nixpkgs"
         ]
@@ -457,6 +641,28 @@
         "repo": "treefmt-nix",
         "type": "github"
       }
+    },
+    "treefmt-nix_2": {
+      "inputs": {
+        "nixpkgs": [
+          "hydra",
+          "nix-eval-jobs",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1732292307,
+        "narHash": "sha256-5WSng844vXt8uytT5djmqBCkopyle6ciFgteuA9bJpw=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "705df92694af7093dfbb27109ce16d828a79155f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 4dd91e3..322d009 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,6 +22,10 @@
       url = "github:nix-community/harmonia/harmonia-v1.0.2";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    hydra = {
+      url = "git+https://git.lix.systems/lix-project/hydra.git";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     fieldpoc.url = "git+https://git.clerie.de/clerie/fieldpoc.git";
     nixos-exporter = {
       url = "git+https://git.clerie.de/clerie/nixos-exporter.git";
diff --git a/flake/overlay.nix b/flake/overlay.nix
index 0d346a4..d50a81d 100644
--- a/flake/overlay.nix
+++ b/flake/overlay.nix
@@ -3,6 +3,7 @@
 , bij
 , chaosevents
 , harmonia
+, hydra
 , nurausstieg
 , scan-to-gpg
 , ssh-to-age
@@ -18,6 +19,8 @@ final: prev: {
   harmonia = harmonia.packages.${final.system}.harmonia.override {
     nixForHarmonia = final.nixVersions.nix_2_23;
   };
+  inherit (hydra.packages.${final.system})
+    hydra;
   inherit (nurausstieg.packages.${final.system})
     nurausstieg;
   inherit (scan-to-gpg.packages.${final.system})