diff --git a/flake.lock b/flake.lock
index c2d282b..bf08d97 100644
--- a/flake.lock
+++ b/flake.lock
@@ -447,16 +447,18 @@
     },
     "niphas": {
       "inputs": {
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": [
+          "nixpkgs-unstable"
+        ],
         "treefmt-nix": "treefmt-nix",
         "wrappers": "wrappers"
       },
       "locked": {
-        "lastModified": 1770197728,
-        "narHash": "sha256-7KFx0gTPGaQf4dwTG3Y+SB67X9OD/gYx2/JIoUa2GOU=",
+        "lastModified": 1770383443,
+        "narHash": "sha256-LJVEYY8Aw0gkavNbZsAf8xEuCdW3BJrtlvRe3/vfzNQ=",
         "ref": "refs/heads/master",
-        "rev": "740a76f6ce13f7339bf26b8e591db46e72085226",
-        "revCount": 29,
+        "rev": "3df23352410acbc1d8d11f6e5fe0671dd98b0367",
+        "revCount": 32,
         "type": "git",
         "url": "https://code.kmein.de/kfm/niphas"
       },
@@ -545,15 +547,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1770134715,
-        "narHash": "sha256-bugJ+uTtL38KIh3M9vwXjTT3kt203MQbhD6ro1FcYsU=",
+        "lastModified": 1769598131,
+        "narHash": "sha256-e7VO/kGLgRMbWtpBqdWl0uFg8Y2XWFMdz0uUJvlML8o=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "2482bf09c2d388464c9fe0a49a39b42932fed967",
+        "rev": "fa83fd837f3098e3e678e6cf017b2b36102c7211",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
+        "ref": "nixos-25.11",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -589,18 +592,18 @@
         "type": "github"
       }
     },
-    "nixpkgs_2": {
+    "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1769598131,
-        "narHash": "sha256-e7VO/kGLgRMbWtpBqdWl0uFg8Y2XWFMdz0uUJvlML8o=",
+        "lastModified": 1770197578,
+        "narHash": "sha256-AYqlWrX09+HvGs8zM6ebZ1pwUqjkfpnv8mewYwAo+iM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "fa83fd837f3098e3e678e6cf017b2b36102c7211",
+        "rev": "00c21e4c93d963c50d4c0c89bfa84ed6e0694df2",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-25.11",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -679,8 +682,9 @@
         "nix-index-database": "nix-index-database",
         "nix-topology": "nix-topology",
         "nixos-hardware": "nixos-hardware",
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs",
         "nixpkgs-old": "nixpkgs-old",
+        "nixpkgs-unstable": "nixpkgs-unstable",
         "nur": "nur",
         "retiolum": "retiolum",
         "scripts": "scripts",
diff --git a/flake.nix b/flake.nix
index 3e5d44d..8c01f9c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,6 +12,7 @@
     nix-index-database.url = "github:nix-community/nix-index-database";
     nixpkgs-old.url = "github:NixOS/nixpkgs/50fc86b75d2744e1ab3837ef74b53f103a9b55a0";
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
+    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
     niphas.url = "git+https://code.kmein.de/kfm/niphas";
     nixos-hardware.url = "github:NixOS/nixos-hardware";
     nur.url = "github:nix-community/NUR";
@@ -61,6 +62,7 @@
     stylix.inputs.nixpkgs.follows = "nixpkgs";
     tinc-graph.inputs.nixpkgs.follows = "nixpkgs";
     wetter.inputs.nixpkgs.follows = "nixpkgs";
+    niphas.inputs.nixpkgs.follows = "nixpkgs-unstable";
   };
 
   outputs =
@@ -76,6 +78,7 @@
       scripts,
       tinc-graph,
       nix-topology,
+      nixpkgs-unstable,
       nixos-hardware,
       niphas,
       treefmt-nix,
@@ -199,6 +202,8 @@
         niveum-browser = prev.firefox;
         niveum-filemanager = prev.pcmanfm;
 
+        ashell = nixpkgs-unstable.legacyPackages.${prev.system}.ashell;
+
         # wrapped from upstream
         wrapScript =
           {