diff --git a/flake.lock b/flake.lock
index 09323bbd..706f67f2 100644
--- a/flake.lock
+++ b/flake.lock
@@ -150,11 +150,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1679737941,
-        "narHash": "sha256-srSD9CwsVPnUMsIZ7Kt/UegkKUEBcTyU1Rev7mO45S0=",
+        "lastModified": 1680392223,
+        "narHash": "sha256-n3g7QFr85lDODKt250rkZj2IFS3i4/8HBU2yKHO3tqw=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "3502ee99d6dade045bdeaf7b0cd8ec703484c25c",
+        "rev": "dcc36e45d054d7bb554c9cdab69093debd91a0b5",
         "type": "github"
       },
       "original": {
@@ -214,11 +214,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1680123135,
-        "narHash": "sha256-uymF+qX6qOY4dFx9sfFOaKdsHR108fGQxX/gvYUwoYM=",
+        "lastModified": 1680439236,
+        "narHash": "sha256-xKxFySOJpXUVtgjECc0eH4+CraqhSmz6cBxgU0XtBRU=",
         "owner": "mweinelt",
         "repo": "nur-packages",
-        "rev": "93ab40bca3132a15c8fd20a8e491bf9eb4b77ec1",
+        "rev": "12429bc79a92e4410d53338e9eb6a12897c62b45",
         "type": "github"
       },
       "original": {
@@ -236,11 +236,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1679738842,
-        "narHash": "sha256-CvqRbsyDW756EskojZptDU590rez29RcHDV3ezoze08=",
+        "lastModified": 1680555990,
+        "narHash": "sha256-Tu/i5sd0hk4c4VtWO8XpY3c9KmHDcOWF5Y2GSCh3LXA=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "83110c259889230b324bb2d35bef78bf5f214a1f",
+        "rev": "d6f3ba090ed090ae664ab5bac329654093aae725",
         "type": "github"
       },
       "original": {
@@ -276,11 +276,11 @@
         "pre-commit-hooks": []
       },
       "locked": {
-        "lastModified": 1678485798,
-        "narHash": "sha256-JbMEujzzzH9OQ8FSfJ9XP6j9wNoogB/ndj92ZFh9nhY=",
+        "lastModified": 1680774479,
+        "narHash": "sha256-mrsGXm6A/p8OO84WR5RewA7XOr8RcySAgJ+Q9nljn8k=",
         "ref": "main",
-        "rev": "e6e9afee53969418954cd01b02b1cd56fdbf8ab7",
-        "revCount": 407,
+        "rev": "928453f552d5d1acf4803626d9dd5cd83afde1a8",
+        "revCount": 409,
         "type": "git",
         "url": "ssh://git@hera.m-0.eu/nix-output-monitor"
       },
@@ -344,34 +344,32 @@
     },
     "nixos-stable": {
       "locked": {
-        "lastModified": 1680122840,
-        "narHash": "sha256-zCQ/9iFHzCW5JMYkkHMwgK1/1/kTMgCMHq4THPINpAU=",
-        "owner": "nixos",
+        "lastModified": 1680665430,
+        "narHash": "sha256-MTVhTukwza1Jlq2gECITZPFnhROmylP2uv3O3cSqQCE=",
+        "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a575c243c23e2851b78c00e9fa245232926ec32f",
+        "rev": "5233fd2ba76a3accb5aaa999c00509a11fd0793c",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
+        "id": "nixpkgs",
         "ref": "nixos-22.11",
-        "repo": "nixpkgs",
-        "type": "github"
+        "type": "indirect"
       }
     },
     "nixos-unstable": {
       "locked": {
-        "lastModified": 1680125544,
-        "narHash": "sha256-mlqo1r+TZUOuypWdrZHluxWL+E5WzXlUXNZ9Y0WLDFU=",
-        "owner": "nixos",
+        "lastModified": 1680669251,
+        "narHash": "sha256-AVNE+0u4HlI3v96KCXE9risH7NKqj0QDLLfSckYXIbA=",
+        "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9a6aabc4740790ef3bbb246b86d029ccf6759658",
+        "rev": "9c8ff8b426a8b07b9e0a131ac3218740dc85ba1e",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
+        "id": "nixpkgs",
         "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
+        "type": "indirect"
       }
     },
     "nixpkgs-140774-workaround": {
@@ -398,11 +396,11 @@
         "nixpkgs-stable": []
       },
       "locked": {
-        "lastModified": 1680170909,
-        "narHash": "sha256-FtKU/edv1jFRr/KwUxWTYWXEyj9g8GBrHntC2o8oFI8=",
+        "lastModified": 1680769543,
+        "narHash": "sha256-b+aLX7w2cVsHtTTs1wgKsYeNw3SKyMn9Qkb42RK5Yx8=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "29dbe1efaa91c3a415d8b45d62d48325a4748816",
+        "rev": "bb9e597b33641a8df00f17334db55fa10981c94f",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 556cffc8..6abecaea 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,10 +2,13 @@
   description = "maralorns configuration";
 
   inputs = {
+    nixos-unstable.url = "nixpkgs/nixos-unstable";
+    nixos-stable.url = "nixpkgs/nixos-22.11";
     secrets = {
       url = "git+ssh://git@hera.m-0.eu/config-secrets";
       inputs.nixpkgs.follows = "";
     };
+    flake-parts.inputs.nixpkgs-lib.follows = "nixos-unstable";
     emanote = {
       url = "github:srid/emanote";
       inputs = {
@@ -21,8 +24,6 @@
       };
       url = "git+ssh://git@hera.m-0.eu/nix-output-monitor?ref=main";
     };
-    # Don’t use registry so that we can override it locally.
-    nixos-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
     nixos-mailserver = {
       inputs = {
         flake-compat.follows = "";
@@ -33,8 +34,6 @@
       };
       url = "git+https://gitlab.com/simple-nixos-mailserver/nixos-mailserver.git";
     };
-    nixos-stable.url = "github:nixos/nixpkgs/nixos-22.11";
-    flake-parts.inputs.nixpkgs-lib.follows = "nixos-unstable";
     home-manager = {
       url = "home-manager/release-22.11";
       inputs = {