diff --git a/flake.lock b/flake.lock
index b53cfba..a7e3d0d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -594,17 +594,17 @@
     },
     "nixpkgs_7": {
       "locked": {
-        "lastModified": 1623580589,
-        "narHash": "sha256-Ayp1cjXpwFCkAiWUE46rj9APTltsiEBdIs2+cj+U7+c=",
+        "lastModified": 1624024598,
+        "narHash": "sha256-X++38oH5MKEmPW4/2WdMaHQvwJzO8pJfbnzMD7DbG1E=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "fa0326ce5233f7d592271df52c9d0812bec47b84",
+        "rev": "33d42ad7cf2769ce6364ed4e52afa8e9d1439d58",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "fa0326ce5233f7d592271df52c9d0812bec47b84",
+        "rev": "33d42ad7cf2769ce6364ed4e52afa8e9d1439d58",
         "type": "github"
       }
     },
diff --git a/flake.nix b/flake.nix
index 676cdb8..04e3553 100644
--- a/flake.nix
+++ b/flake.nix
@@ -6,7 +6,7 @@
     # https://status.nixos.org/
     # 
     # This ensures that we always use the official # cache.
-    nixpkgs.url = "github:nixos/nixpkgs/fa0326ce5233f7d592271df52c9d0812bec47b84";
+    nixpkgs.url = "github:nixos/nixpkgs/33d42ad7cf2769ce6364ed4e52afa8e9d1439d58";
 
     nixos-hardware.url = github:NixOS/nixos-hardware/master;
     home-manager.url = "github:nix-community/home-manager";
diff --git a/hosts/p71.nix b/hosts/p71.nix
index 76fcd12..fecca5c 100644
--- a/hosts/p71.nix
+++ b/hosts/p71.nix
@@ -30,6 +30,9 @@
   # high-resolution display
   hardware.video.hidpi.enable = lib.mkDefault true;
 
+  hardware.pulseaudio.enable = true;
+  hardware.pulseaudio.support32Bit = true; ## If compatibility with 32-bit applications is desired.
+
 
   # Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;
@@ -86,7 +89,7 @@
     brave
     fzf
     # gnome3.gnome-tweaks
-    google-chrome
+    # google-chrome
     htop
     mpv
     nodejs-14_x # Need this for https://nixos.wiki/wiki/Vscode
@@ -95,12 +98,13 @@
     ripgrep
     signal-desktop
     vscode
+    pulsemixer
   ];
 
   # Define a user account. Don't forget to set a password with ‘passwd’.
   users.users.srid = {
     isNormalUser = true;
-    extraGroups = [ "wheel" "networkmanager" "adbusers" ];
+    extraGroups = [ "wheel" "networkmanager" "adbusers" "audio" ];
   };
   # Open ports in the firewall.
   # networking.firewall.allowedTCPPorts = [ ... ];