diff --git a/flake.lock b/flake.lock
index dbf273e..c86ebae 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "extra-config": {
       "locked": {
-        "lastModified": 1729545170,
-        "narHash": "sha256-IrjXBAGiJKyIHxjVHPke1RbkqZ5yWTNHLfo8//LP9bM=",
+        "lastModified": 1745649002,
+        "narHash": "sha256-XNBExt3+U3o4lip+yj6oorCEPZ9Qe8PzBSFM5ZzVtSA=",
         "ref": "refs/heads/main",
-        "rev": "7a64446cecca25a8f7df089ea04557727e5dc041",
-        "revCount": 10,
+        "rev": "50c9c15db2b309d299b1c19089c962979e01f45b",
+        "revCount": 13,
         "type": "git",
         "url": "file:///home/felixalb/nix-extra-config"
       },
@@ -74,11 +74,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1744743431,
-        "narHash": "sha256-iyn/WBYDc7OtjSawbegINDe/gIkok888kQxk3aVnkgg=",
+        "lastModified": 1747688870,
+        "narHash": "sha256-ypL9WAZfmJr5V70jEVzqGjjQzF0uCkz+AFQF7n9NmNc=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "c61bfe3ae692f42ce688b5865fac9e0de58e1387",
+        "rev": "d5f1f641b289553927b3801580598d200a501863",
         "type": "github"
       },
       "original": {
@@ -211,11 +211,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1744932701,
-        "narHash": "sha256-fusHbZCyv126cyArUwwKrLdCkgVAIaa/fQJYFlCEqiU=",
+        "lastModified": 1747542820,
+        "narHash": "sha256-GaOZntlJ6gPPbbkTLjbd8BMWaDYafhuuYRNrxCGnPJw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b024ced1aac25639f8ca8fdfc2f8c4fbd66c48ef",
+        "rev": "292fa7d4f6519c074f0a50394dbbe69859bb6043",
         "type": "github"
       },
       "original": {
@@ -243,11 +243,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1744440957,
-        "narHash": "sha256-FHlSkNqFmPxPJvy+6fNLaNeWnF1lZSgqVCl/eWaJRc4=",
+        "lastModified": 1747676747,
+        "narHash": "sha256-LXkWBVqilgx7Pohwqu/ABxDVw+Cmi5/Mj2S2mpUH0Fw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "26d499fc9f1d567283d5d56fcf367edd815dba1d",
+        "rev": "72841a4a8761d1aed92ef6169a636872c986c76d",
         "type": "github"
       },
       "original": {
diff --git a/hosts/challenger/filesystems.nix b/hosts/challenger/filesystems.nix
index c72322d..a4c3889 100644
--- a/hosts/challenger/filesystems.nix
+++ b/hosts/challenger/filesystems.nix
@@ -31,5 +31,18 @@
         "noauto"
       ];
     };
+    "/mnt/feal-syn2/backup" = {
+      # device = "feal-syn1.home.feal.no:/volume2/backup";
+      device = "192.168.11.163:/volume1/challenger";
+      fsType = "nfs";
+      options = [
+        "defaults"
+        "noatime"
+        "rw"
+        "nfsvers=3"
+        "x-systemd.automount"
+        "noauto"
+      ];
+    };
   };
 }