diff --git a/config/common/services/tailscale.nix b/config/common/services/tailscale.nix
index c5bd6d5..18afac7 100644
--- a/config/common/services/tailscale.nix
+++ b/config/common/services/tailscale.nix
@@ -2,7 +2,7 @@
 {
 environment.systemPackages = [ pkgs.tailscale ];
 
-services.tailscale.enable = true;
+services.tailscale.enable = false;
 
   # ...
 
diff --git a/config/hosts/rudiger/services/nextcloud.nix b/config/hosts/rudiger/services/nextcloud.nix
index 9dcccc2..c220250 100644
--- a/config/hosts/rudiger/services/nextcloud.nix
+++ b/config/hosts/rudiger/services/nextcloud.nix
@@ -4,7 +4,7 @@
 		enable = true;
 		hostName = "cloud.graven.dev";
 		https = true;
-		package = pkgs.nextcloud30;
+		package = pkgs.nextcloud31;
 		autoUpdateApps.enable = true;
 		maxUploadSize = "10G";
 		webfinger = true;
diff --git a/config/sources/nix/sources.json b/config/sources/nix/sources.json
index bd4a7fe..8abde37 100644
--- a/config/sources/nix/sources.json
+++ b/config/sources/nix/sources.json
@@ -17,22 +17,22 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "11f2d9ea49c3e964315215d6baa73a8d42672f06",
-        "sha256": "166nv0i8p4lsmyjxx99ldy6srx5v5v8v66awdvil8b3i1wzbhzkn",
+        "rev": "26ed7a0d4b8741fe1ef1ee6fa64453ca056ce113",
+        "sha256": "0l2xkflhjyhppiqh4j6gvl3vw9f5pm2656pk73rnikdfy7gg8gbp",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixos-hardware/archive/11f2d9ea49c3e964315215d6baa73a8d42672f06.tar.gz",
+        "url": "https://github.com/NixOS/nixos-hardware/archive/26ed7a0d4b8741fe1ef1ee6fa64453ca056ce113.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs": {
-        "branch": "nixos-24.11",
+        "branch": "nixos-25.05",
         "description": "Nix Packages collection",
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f09dede81861f3a83f7f06641ead34f02f37597f",
-        "sha256": "1ybhmmb9ph8ki7yicsnnvav4hxlh771zg82y642drsbbjs3f4szp",
+        "rev": "3385ca0cd7e14c1a1eb80401fe011705ff012323",
+        "sha256": "11hcc63hbjiq935ldi9sqp5qri5ss3qli2029jxfrqi2796f1vqy",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/f09dede81861f3a83f7f06641ead34f02f37597f.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/3385ca0cd7e14c1a1eb80401fe011705ff012323.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixus": {