diff --git a/nix/os/devices/sj-srv1/flake.lock b/nix/os/devices/sj-srv1/flake.lock
index 6259208..8ab4b67 100644
--- a/nix/os/devices/sj-srv1/flake.lock
+++ b/nix/os/devices/sj-srv1/flake.lock
@@ -1,5 +1,21 @@
 {
   "nodes": {
+    "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"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -7,11 +23,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1733050161,
-        "narHash": "sha256-lYnT+EYE47f5yY3KS/Kd4pJ6CO9fhCqumkYYkQ3TK20=",
+        "lastModified": 1734366194,
+        "narHash": "sha256-vykpJ1xsdkv0j8WOVXrRFHUAdp9NXHpxdnn1F4pYgSw=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "62d536255879be574ebfe9b87c4ac194febf47c5",
+        "rev": "80b0fdf483c5d1cb75aaad909bd390d48673857f",
         "type": "github"
       },
       "original": {
@@ -21,13 +37,36 @@
         "type": "github"
       }
     },
+    "nixos-dns": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "systems": "systems",
+        "treefmt-nix": "treefmt-nix"
+      },
+      "locked": {
+        "lastModified": 1725163709,
+        "narHash": "sha256-VqUwWZBBdDE0Jk1tRW6Bsg978R6rTILrvsqjfjHz2HY=",
+        "owner": "Janik-Haag",
+        "repo": "nixos-dns",
+        "rev": "ac41b8690c8db01af1eb77ea2fd330a1c43d814f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Janik-Haag",
+        "repo": "nixos-dns",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1733261153,
-        "narHash": "sha256-eq51hyiaIwtWo19fPEeE0Zr2s83DYMKJoukNLgGGpek=",
+        "lastModified": 1734875076,
+        "narHash": "sha256-Pzyb+YNG5u3zP79zoi8HXYMs15Q5dfjDgwCdUI5B0nY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "b681065d0919f7eb5309a93cea2cfa84dec9aa88",
+        "rev": "1807c2b91223227ad5599d7067a61665c52d1295",
         "type": "github"
       },
       "original": {
@@ -39,11 +78,11 @@
     },
     "nixpkgs-master": {
       "locked": {
-        "lastModified": 1733472523,
-        "narHash": "sha256-7uLfmBHYgipmt9QbyA6/9U79vZJDlD1F8Cl4ArLUwSc=",
+        "lastModified": 1734988233,
+        "narHash": "sha256-Ucfnxq1rF/GjNP3kTL+uTfgdoE9a3fxDftSfeLIS8mA=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "de5658c9e4d0d47a03c8fd91c1ff7e5a368d3ac5",
+        "rev": "de1864217bfa9b5845f465e771e0ecb48b30e02d",
         "type": "github"
       },
       "original": {
@@ -55,11 +94,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1733426878,
-        "narHash": "sha256-boWvvAttPEXJbi5TiRqRuLE78mic+asXrCpcEm9XIK8=",
+        "lastModified": 1734962273,
+        "narHash": "sha256-Xu8m+P0dXpRsYqPY1XfOvYaLd8NVpQyiMYrzwwNFyiM=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "21e9e52183fd52452c26a1d7957b0299a37fa83a",
+        "rev": "fc9c33366b98237cc759cdd90ef6058f5a1cb9dd",
         "type": "github"
       },
       "original": {
@@ -69,29 +108,48 @@
         "type": "github"
       }
     },
-    "nixpkgs_forgejo": {
-      "locked": {
-        "lastModified": 1717596097,
-        "narHash": "sha256-ozSU3HYgTbUgyXfGEIdYzGNfCRtuV/Xw7O4ECsLigtk=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "af4ac075a3e97cb239078e187112afdf380cd47b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "af4ac075a3e97cb239078e187112afdf380cd47b",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "home-manager": "home-manager",
+        "nixos-dns": "nixos-dns",
         "nixpkgs": "nixpkgs",
         "nixpkgs-master": "nixpkgs-master",
-        "nixpkgs-unstable": "nixpkgs-unstable",
-        "nixpkgs_forgejo": "nixpkgs_forgejo"
+        "nixpkgs-unstable": "nixpkgs-unstable"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "id": "systems",
+        "type": "indirect"
+      }
+    },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixos-dns",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1714058656,
+        "narHash": "sha256-Qv4RBm4LKuO4fNOfx9wl40W2rBbv5u5m+whxRYUMiaA=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "c6aaf729f34a36c445618580a9f95a48f5e4e03f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
       }
     }
   },
diff --git a/nix/os/devices/sj-srv1/flake.nix b/nix/os/devices/sj-srv1/flake.nix
index e4de055..44bc6db 100644
--- a/nix/os/devices/sj-srv1/flake.nix
+++ b/nix/os/devices/sj-srv1/flake.nix
@@ -8,9 +8,8 @@
     inputs.nixpkgs.follows = "nixpkgs";
   };
 
-  # remove when https://github.com/NixOS/nixpkgs/pull/312523 is merged and backported
-  inputs.nixpkgs_forgejo.url = "github:NixOS/nixpkgs/af4ac075a3e97cb239078e187112afdf380cd47b";
-  # nixpkgs_forgejo.url = "github:steveej-forks/nixpkgs/9c3519ab3beb11b8d997281f8922330f707df419";
+  inputs.nixos-dns.url = "github:Janik-Haag/nixos-dns";
+  inputs.nixos-dns.inputs.nixpkgs.follows = "nixpkgs";
 
   outputs = _: { };
 }