diff --git a/flake.lock b/flake.lock
index 414d27a..8066803 100644
--- a/flake.lock
+++ b/flake.lock
@@ -59,16 +59,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1638452135,
-        "narHash": "sha256-5Il6hgrTgcWIsB7zug0yDFccYXx7pJCw8cwJdXMuLfM=",
+        "lastModified": 1638371214,
+        "narHash": "sha256-0kE6KhgH7n0vyuX4aUoGsGIQOqjIx2fJavpCWtn73rc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "43cdc5b364511eabdcad9fde639777ffd9e5bab1",
+        "rev": "a640d8394f34714578f3e6335fc767d0755d78f9",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-21.05",
+        "ref": "nixos-21.11",
         "type": "indirect"
       }
     },
diff --git a/flake.nix b/flake.nix
index cc3bc1e..76ae1d0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "flake:nixpkgs/nixos-21.05";
+    nixpkgs.url = "flake:nixpkgs/nixos-21.11";
     nixpkgs-unstable.url = "flake:nixpkgs/nixos-unstable";
     utils.url = "github:gytis-ivaskevicius/flake-utils-plus/v1.3.1";
     simple-nixos-mailserver = {
@@ -23,6 +23,14 @@
 
     supportedSystems = [ "x86_64-linux" ];
 
+    channels.nixpkgs.patches = [
+      (nixpkgs.legacyPackages."x86_64-linux".fetchpatch {
+        name = "fix-homeassistant.patch";
+        url = "https://github.com/NixOS/nixpkgs/commit/8e87ea556605e6947d1edb7cd81e58814eeadcae.patch";
+        sha256 = "sha256-au5JwwmdRBsbiG9H8nh5n56QVZUFajx1ALMtzu+Nfq0=";
+      })
+    ];
+
     hostDefaults.modules = [
       nixpkgs.nixosModules.notDetected
       {
@@ -33,7 +41,6 @@
     ];
 
     hosts.loutreos.modules = [
-      "${nixpkgs-unstable}/nixos/modules/services/audio/navidrome.nix"
       simple-nixos-mailserver.nixosModule
       dogetipbot-telegram.nixosModule
       ipmihddtemp.nixosModule