diff --git a/flake.lock b/flake.lock
index 1accfdb..b0999b5 100644
--- a/flake.lock
+++ b/flake.lock
@@ -378,18 +378,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1700392168,
-        "narHash": "sha256-v5LprEFx3u4+1vmds9K0/i7sHjT0IYGs7u9v54iz/OA=",
-        "owner": "nix-community",
-        "repo": "home-manager",
-        "rev": "28535c3a34d79071f2ccb68671971ce0c0984d7e",
-        "type": "github"
+        "lastModified": 1700814205,
+        "narHash": "sha256-lWqDPKHRbQfi+zNIivf031BUeyciVOtwCwTjyrhDB5g=",
+        "rev": "aeb2232d7a32530d3448318790534d196bf9427a",
+        "revCount": 3137,
+        "type": "tarball",
+        "url": "https://api.flakehub.com/f/pinned/nix-community/home-manager/0.2311.3137+rev-aeb2232d7a32530d3448318790534d196bf9427a/018c0081-bcd9-7796-8a7f-2e553d22218f/source.tar.gz"
       },
       "original": {
-        "owner": "nix-community",
-        "ref": "release-23.05",
-        "repo": "home-manager",
-        "type": "github"
+        "type": "tarball",
+        "url": "https://flakehub.com/f/nix-community/home-manager/0.2311.tar.gz"
       }
     },
     "matrix-appservices": {
@@ -465,16 +463,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1700989516,
-        "narHash": "sha256-oKbmPa2wpTHh9XB3+zIx97uMZGNnp97GPliKKG2/plo=",
-        "rev": "d2e4de209881b38392933fabf303cde3454b0b4c",
-        "revCount": 492338,
+        "lastModified": 1701058557,
+        "narHash": "sha256-fux7HlrnoNs93MN0kET4AfiYwg/expoasndRCFeDRyk=",
+        "rev": "070b5cf9f70bc7ef2dfd739a1f7d6c563fe64bd1",
+        "revCount": 552032,
         "type": "tarball",
-        "url": "https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2305.492338+rev-d2e4de209881b38392933fabf303cde3454b0b4c/018c0eb5-77e1-70b1-a6aa-d06693084d57/source.tar.gz"
+        "url": "https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2311.552032+rev-070b5cf9f70bc7ef2dfd739a1f7d6c563fe64bd1/018c11de-19c2-7d91-9286-6403488ba221/source.tar.gz"
       },
       "original": {
         "type": "tarball",
-        "url": "https://flakehub.com/f/NixOS/nixpkgs/0.2305.tar.gz"
+        "url": "https://flakehub.com/f/NixOS/nixpkgs/0.2311.tar.gz"
       }
     },
     "nixpkgs-unstable": {
diff --git a/flake.nix b/flake.nix
index 1782f3b..3c9e631 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,7 +15,7 @@ rec {
   };
 
   inputs = {
-    nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.2305.tar.gz";
+    nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.2311.tar.gz";
 
     nixpkgs-unstable.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1.tar.gz";
 
@@ -35,7 +35,7 @@ rec {
     flake-utils.url = "https://flakehub.com/f/numtide/flake-utils/0.1.tar.gz";
 
     home-manager = {
-      url = "github:nix-community/home-manager/release-23.05";
+      url = "https://flakehub.com/f/nix-community/home-manager/0.2311.tar.gz";
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
diff --git a/hardware/gpu-amd.nix b/hardware/gpu-amd.nix
index 3f016d3..ef69369 100644
--- a/hardware/gpu-amd.nix
+++ b/hardware/gpu-amd.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ pkgs, ... }:
 
 {
   boot.initrd.kernelModules = [ "amdgpu" ];
@@ -6,12 +6,8 @@
   hardware.opengl = {
     driSupport = true;
     driSupport32Bit = true;
-    extraPackages = with pkgs; [ vaapiIntel libvdpau-va-gl vaapiVdpau ];
-    extraPackages32 = with pkgs.driversi686Linux; [
-      vaapiIntel
-      libvdpau-va-gl
-      vaapiVdpau
-    ];
+    extraPackages = with pkgs; [ libvdpau-va-gl vaapiVdpau ];
+    extraPackages32 = with pkgs.driversi686Linux; [ libvdpau-va-gl vaapiVdpau ];
   };
 
   environment.systemPackages = with pkgs; [ glxinfo vulkan-tools ];
diff --git a/hardware/gpu-intel.nix b/hardware/gpu-intel.nix
index 598af04..c396d43 100644
--- a/hardware/gpu-intel.nix
+++ b/hardware/gpu-intel.nix
@@ -11,10 +11,17 @@
       lib.mkIf config.hardware.opengl.enable (lib.mkDefault "va_gl");
   };
 
-  hardware.opengl.extraPackages = with pkgs; [
-    vaapiIntel
-    libvdpau-va-gl
-    intel-media-driver
-    intel-compute-runtime
-  ];
+  hardware.opengl = {
+    extraPackages = with pkgs; [
+      intel-vaapi-driver
+      intel-media-driver
+      intel-compute-runtime
+      libvdpau-va-gl
+    ];
+    extraPackages32 = with pkgs.driversi686Linux; [
+      intel-vaapi-driver
+      intel-media-driver
+      libvdpau-va-gl
+    ];
+  };
 }
diff --git a/home/felschr-work.nix b/home/felschr-work.nix
index 4033d25..af4a421 100644
--- a/home/felschr-work.nix
+++ b/home/felschr-work.nix
@@ -55,7 +55,6 @@ with pkgs; {
 
     # development
     unzip
-    postman
     jq
     dos2unix
   ];
diff --git a/home/felschr.nix b/home/felschr.nix
index 97d99e4..d7b91d9 100644
--- a/home/felschr.nix
+++ b/home/felschr.nix
@@ -60,9 +60,6 @@
     # work
     teams-for-linux
 
-    # dev
-    postman
-
     # game dev
     ldtk
     pixelorama
diff --git a/pkgs/vim-plugins/nvim-kitty-navigator/default.nix b/pkgs/vim-plugins/nvim-kitty-navigator/default.nix
index ccdbc2b..f94b425 100644
--- a/pkgs/vim-plugins/nvim-kitty-navigator/default.nix
+++ b/pkgs/vim-plugins/nvim-kitty-navigator/default.nix
@@ -1,6 +1,6 @@
 { inputs, pkgs, ... }:
 
-pkgs.vimUtils.buildVimPluginFrom2Nix {
+pkgs.vimUtils.buildVimPlugin {
   pname = "nvim-kitty-navigator";
   version = inputs.nvim-kitty-navigator.rev;
   versionSuffix = "-git";
diff --git a/services/home-assistant/wyoming.nix b/services/home-assistant/wyoming.nix
index b6ac05e..74bb69a 100644
--- a/services/home-assistant/wyoming.nix
+++ b/services/home-assistant/wyoming.nix
@@ -1,17 +1,6 @@
-{ pkgs, lib, inputs, ... }:
+{ lib, ... }:
 
 {
-  imports = [
-    "${inputs.nixpkgs-unstable}/nixos/modules/services/audio/wyoming/piper.nix"
-    "${inputs.nixpkgs-unstable}/nixos/modules/services/audio/wyoming/faster-whisper.nix"
-  ];
-
-  nixpkgs.overlays = [
-    (final: prev: {
-      inherit (pkgs.unstable) wyoming-piper wyoming-faster-whisper piper-tts;
-    })
-  ];
-
   services.wyoming.piper = {
     servers = {
       "en" = {
diff --git a/system/fonts.nix b/system/fonts.nix
index 4333f34..31e1d15 100644
--- a/system/fonts.nix
+++ b/system/fonts.nix
@@ -1,7 +1,7 @@
-{ config, pkgs, ... }:
+{ pkgs, ... }:
 
 {
-  fonts.fonts = with pkgs; [
+  fonts.packages = with pkgs; [
     noto-fonts
     noto-fonts-extra
     noto-fonts-cjk
diff --git a/system/vpn.nix b/system/vpn.nix
index c11e1a2..b764d6c 100644
--- a/system/vpn.nix
+++ b/system/vpn.nix
@@ -19,8 +19,8 @@
       ${pkgs.mullvad}/bin/mullvad auto-connect set on
       ${pkgs.mullvad}/bin/mullvad dns set default
       ${pkgs.mullvad}/bin/mullvad lan set allow
-      ${pkgs.mullvad}/bin/mullvad tunnel ipv6 set on
-      ${pkgs.mullvad}/bin/mullvad tunnel wireguard quantum-resistant-tunnel set on
+      ${pkgs.mullvad}/bin/mullvad tunnel set ipv6 on
+      ${pkgs.mullvad}/bin/mullvad tunnel set wireguard --quantum-resistant=on
       ${pkgs.mullvad}/bin/mullvad relay set tunnel-protocol wireguard
       ${pkgs.mullvad}/bin/mullvad relay set location de ber