diff --git a/flake.lock b/flake.lock
index b450ac72..1c1c456f 100644
--- a/flake.lock
+++ b/flake.lock
@@ -8,11 +8,11 @@
         "rust-analyzer-src": "rust-analyzer-src"
       },
       "locked": {
-        "lastModified": 1656311436,
-        "narHash": "sha256-rXZbZ61Zvn5rE0Srh5bpfNYRXEZHIigqcjkKh2+Cvk4=",
+        "lastModified": 1656397670,
+        "narHash": "sha256-1Yc6wMr2rHTZAC0xTmTVU0KAARBnnmlQ2ksVuE6t1Qg=",
         "owner": "nix-community",
         "repo": "fenix",
-        "rev": "5e2708f04efe0ed2616be471d0913e303ff3a9ee",
+        "rev": "3094da922a89a7dfb019224241987abb297951d0",
         "type": "github"
       },
       "original": {
@@ -74,7 +74,7 @@
       "locked": {
         "lastModified": 1654728826,
         "narHash": "sha256-DE8aYLwqm2ouaj6pPrCD2NLgU1Tv3nBTtbpNmstQEoQ=",
-        "ref": "master",
+        "ref": "refs/heads/master",
         "rev": "3cf6d131f8b7515e93739a70d1cffc24973ed220",
         "revCount": 55,
         "type": "git",
@@ -111,6 +111,7 @@
     },
     "hydra-ca": {
       "inputs": {
+        "newNixpkgs": "newNixpkgs_2",
         "nix": "nix_2",
         "nixpkgs": [
           "hydra-ca",
@@ -119,16 +120,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1642687475,
-        "narHash": "sha256-jdzUBckbpckHVcllLxi5fIGD0ANmUR22mAKPmgiNcoY=",
-        "owner": "thufschmitt",
+        "lastModified": 1656337014,
+        "narHash": "sha256-ATl750Y1vcS9y2C43xt1eIjDyqIw7S49PhogKJMlCr8=",
+        "owner": "mlabs-haskell",
         "repo": "hydra",
-        "rev": "cdff8067285336abbe4750ae15d0a7dcdda5fcb5",
+        "rev": "db89bbe6cf3e06b08ce2a0ca669958a42b7b6fe0",
         "type": "github"
       },
       "original": {
-        "owner": "thufschmitt",
-        "ref": "nix-ca",
+        "owner": "mlabs-haskell",
+        "ref": "aciceri/ca-derivations",
         "repo": "hydra",
         "type": "github"
       }
@@ -243,6 +244,22 @@
         "type": "github"
       }
     },
+    "newNixpkgs_2": {
+      "locked": {
+        "lastModified": 1647380550,
+        "narHash": "sha256-909TI9poX7CIUiFx203WL29YON6m/I6k0ExbZvR7bLM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "6e3ee8957637a60f5072e33d78e05c0f65c54366",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable-small",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nix": {
       "inputs": {
         "lowdown-src": "lowdown-src",
@@ -267,19 +284,22 @@
     "nix_2": {
       "inputs": {
         "lowdown-src": "lowdown-src_2",
-        "nixpkgs": "nixpkgs_2"
+        "nixpkgs": "nixpkgs_2",
+        "nixpkgs-regression": "nixpkgs-regression_2"
       },
       "locked": {
-        "lastModified": 1642583127,
-        "narHash": "sha256-WyCL2SDApuIjQngO0UozOBI/iDUUoDW1QEQ/MUUu/Ec=",
+        "lastModified": 1654014617,
+        "narHash": "sha256-qNL3lQPBsnStkru3j1ajN/H+knXI+X3dku8/dBfSw3g=",
         "owner": "NixOS",
         "repo": "nix",
-        "rev": "bc443511eb65420b51d10708e25427fe50de37a8",
+        "rev": "624e38aa43f304fbb78b4779172809add042b513",
         "type": "github"
       },
       "original": {
-        "id": "nix",
-        "type": "indirect"
+        "owner": "NixOS",
+        "ref": "2.9.1",
+        "repo": "nix",
+        "type": "github"
       }
     },
     "nixos-hardware": {
@@ -375,6 +395,21 @@
         "type": "indirect"
       }
     },
+    "nixpkgs-regression_2": {
+      "locked": {
+        "lastModified": 1643052045,
+        "narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
+        "type": "indirect"
+      }
+    },
     "nixpkgs-unstable": {
       "locked": {
         "lastModified": 1656239181,
@@ -393,11 +428,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1632864508,
-        "narHash": "sha256-d127FIvGR41XbVRDPVvozUPQ/uRHbHwvfyKHwEt5xFM=",
+        "lastModified": 1645296114,
+        "narHash": "sha256-y53N7TyIkXsjMpOG7RhvqJFGDacLs9HlyHeSTBioqYU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "82891b5e2c2359d7e58d08849e4c89511ab94234",
+        "rev": "530a53dcbc9437363471167a5e4762c5fcfa34a1",
         "type": "github"
       },
       "original": {
@@ -525,11 +560,11 @@
     "rust-analyzer-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1656240210,
-        "narHash": "sha256-CeP1gNUtmYHCQylROkpunvVTR8J8w/Pm6D5rjw8v4Gw=",
+        "lastModified": 1656333646,
+        "narHash": "sha256-3dTBwCCtDkYXMWrX3ceqZE9fJu6JBbKoMSuTKEKejjY=",
         "owner": "rust-lang",
         "repo": "rust-analyzer",
-        "rev": "b74e96f509baf0be70281c55f14cb18fefbc6b22",
+        "rev": "9eaf96c9ead87703d96558e9b9923a0baea27981",
         "type": "github"
       },
       "original": {
@@ -561,7 +596,7 @@
       "locked": {
         "lastModified": 1647380283,
         "narHash": "sha256-OJkUm4bJrgaZeaKvvE1VCmrAn/cxV62Nvv0o22A6GGc=",
-        "ref": "master",
+        "ref": "refs/heads/master",
         "rev": "81db905da940ebd02c446f9c9e1127406f3c136b",
         "revCount": 44,
         "type": "git",
@@ -582,11 +617,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1655850015,
-        "narHash": "sha256-1I2YNDT4ZfEj+eJwh7fYiC0vwv40SEcwglJXHyBhVsc=",
-        "ref": "master",
-        "rev": "c242bc0398a1e3a156ac7b3d79a7b973a2711838",
-        "revCount": 132,
+        "lastModified": 1656440118,
+        "narHash": "sha256-nmms19tpuGqjKZBYLUpuZj3Uy6mgtxA4ynSHoX8OzlI=",
+        "ref": "refs/heads/master",
+        "rev": "7b5db509271e9fbf9d722cf22a08e3658c7b8c82",
+        "revCount": 136,
         "type": "git",
         "url": "ssh://gitea@gitea.c3d2.de/c3d2-admins/secrets.git"
       },
@@ -604,11 +639,11 @@
         "nixpkgs-22_05": "nixpkgs-22_05"
       },
       "locked": {
-        "lastModified": 1656215886,
-        "narHash": "sha256-67fkBb4GUbuMZTHs08mNycg0hBzboy+5boMD76wLpj4=",
+        "lastModified": 1656399028,
+        "narHash": "sha256-re66+rVHGR3y+0QsaDAwoAHCfoi3BlGV24t2EqRZsAE=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "aff5d8542c9eb566a000302b22fcc10715bc2feb",
+        "rev": "d26947f2d6252e2aae5ffddfe9b38b7c4b94e8f9",
         "type": "github"
       },
       "original": {
@@ -645,7 +680,7 @@
       "locked": {
         "lastModified": 1654302837,
         "narHash": "sha256-si7fkF0fZHRWZ5M6Bn8gaR4owO+hfBEB1imIVQbNc8k=",
-        "ref": "master",
+        "ref": "refs/heads/master",
         "rev": "f41172d3c5ce1690cad1db66a1a57ff62060ae0b",
         "revCount": 90,
         "type": "git",
@@ -736,11 +771,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1656363054,
-        "narHash": "sha256-zziC8gRYeUfjkOSuQXIkYUZmpD5nPIp8n9S9lhgUXOE=",
-        "ref": "master",
-        "rev": "c0781ea21201f6039c5881421e29554a09b78a40",
-        "revCount": 1467,
+        "lastModified": 1656379334,
+        "narHash": "sha256-gdIdUphZZi7UgT3LbkdylOLboioUFems3PfsqlirZRE=",
+        "ref": "refs/heads/master",
+        "rev": "b2913f2d8ed35d40f9ff22f63ed0b51ca6503c1b",
+        "revCount": 1468,
         "type": "git",
         "url": "https://gitea.c3d2.de/zentralwerk/network.git"
       },