diff --git a/flake.lock b/flake.lock
index 59ed72e..eb93752 100644
--- a/flake.lock
+++ b/flake.lock
@@ -43,11 +43,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1738435198,
-        "narHash": "sha256-5+Hmo4nbqw8FrW85FlNm4IIrRnZ7bn0cmXlScNsNRLo=",
+        "lastModified": 1739206421,
+        "narHash": "sha256-PwQASeL2cGVmrtQYlrBur0U20Xy07uSWVnFup2PHnDs=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "f6687779bf4c396250831aa5a32cbfeb85bb07a3",
+        "rev": "44534bc021b85c8d78e465021e21f33b856e2540",
         "type": "github"
       },
       "original": {
@@ -57,11 +57,28 @@
         "type": "github"
       }
     },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1739214665,
+        "narHash": "sha256-26L8VAu3/1YRxS8MHgBOyOM8xALdo6N0I04PgorE7UM=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "64e75cd44acf21c7933d61d7721e812eac1b5a0a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "home-manager": "home-manager",
         "musnix": "musnix",
         "nixpkgs": "nixpkgs",
+        "nixpkgs-unstable": "nixpkgs-unstable",
         "sops-nix": "sops-nix"
       }
     },
@@ -72,11 +89,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1738291974,
-        "narHash": "sha256-wkwYJc8cKmmQWUloyS9KwttBnja2ONRuJQDEsmef320=",
+        "lastModified": 1739262228,
+        "narHash": "sha256-7JAGezJ0Dn5qIyA2+T4Dt/xQgAbhCglh6lzCekTVMeU=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "4c1251904d8a08c86ac6bc0d72cc09975e89aef7",
+        "rev": "07af005bb7d60c7f118d9d9f5530485da5d1e975",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 0e85c62..23924bd 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,6 +3,7 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
+    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
 
     home-manager.url = "github:nix-community/home-manager/release-24.11";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
@@ -16,6 +17,7 @@
 
   outputs = {
     nixpkgs,
+    nixpkgs-unstable,
     home-manager,
     sops-nix,
     musnix,
@@ -24,6 +26,12 @@
     system = "x86_64-linux";
     pkgs = import nixpkgs {
       inherit system;
+      overlays = [
+        # make unstable packages available via overlay
+        (final: prev: {
+          unstable = nixpkgs-unstable.legacyPackages.${prev.system};
+        })
+      ];
       config = {
         allowUnfreePredicate = pkg:
           builtins.elem (nixpkgs.lib.getName pkg) [
diff --git a/modules/home/programs/nextcloud.nix b/modules/home/programs/nextcloud.nix
index a885cc9..fd1fdfd 100644
--- a/modules/home/programs/nextcloud.nix
+++ b/modules/home/programs/nextcloud.nix
@@ -1,6 +1,7 @@
 {
   lib,
   config,
+  pkgs,
   ...
 }: let
   cfg = config.myConfig.programs.nextcloud;
@@ -10,6 +11,9 @@ in {
   };
 
   config = lib.mkIf cfg.enable {
-    services.nextcloud-client.enable = true;
+    services.nextcloud-client = {
+      enable = true;
+      package = pkgs.unstable.nextcloud-client;
+    };
   };
 }