diff --git a/flake.lock b/flake.lock
index 9c9184f..414d27a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -59,26 +59,26 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1639161226,
-        "narHash": "sha256-75Y08ynJDTq6HHGIF+8IADBJSVip0UyWQH7jqSFnRR8=",
+        "lastModified": 1638452135,
+        "narHash": "sha256-5Il6hgrTgcWIsB7zug0yDFccYXx7pJCw8cwJdXMuLfM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "573095944e7c1d58d30fc679c81af63668b54056",
+        "rev": "43cdc5b364511eabdcad9fde639777ffd9e5bab1",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-21.11",
+        "ref": "nixos-21.05",
         "type": "indirect"
       }
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1639525045,
-        "narHash": "sha256-z4GXFNzO+5V4CAUm2DDMAryLOWUKEbQif2ifvv1Ypg4=",
+        "lastModified": 1638376152,
+        "narHash": "sha256-ucgLpVqhFnClH7YRUHBHnmiOd82RZdFR3XJt36ks5fE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a2e281f5770247855b85d70c43454ba5bff34613",
+        "rev": "6daa4a5c045d40e6eae60a3b6e427e8700f1c07f",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index fe76ddc..cc3bc1e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "flake:nixpkgs/nixos-21.11";
+    nixpkgs.url = "flake:nixpkgs/nixos-21.05";
     nixpkgs-unstable.url = "flake:nixpkgs/nixos-unstable";
     utils.url = "github:gytis-ivaskevicius/flake-utils-plus/v1.3.1";
     simple-nixos-mailserver = {
@@ -33,6 +33,7 @@
     ];
 
     hosts.loutreos.modules = [
+      "${nixpkgs-unstable}/nixos/modules/services/audio/navidrome.nix"
       simple-nixos-mailserver.nixosModule
       dogetipbot-telegram.nixosModule
       ipmihddtemp.nixosModule
diff --git a/systems/LoutreOS/configuration.nix b/systems/LoutreOS/configuration.nix
index 5d42fee..1a76410 100644
--- a/systems/LoutreOS/configuration.nix
+++ b/systems/LoutreOS/configuration.nix
@@ -12,8 +12,6 @@
     ./services.nix
   ];
 
-  nix.trustedUsers = [ "root" "paul" ];
-
   boot = {
     loader = {
       systemd-boot.enable = true;
diff --git a/systems/LoutreOS/medias.nix b/systems/LoutreOS/medias.nix
index b4fd57e..98685c9 100644
--- a/systems/LoutreOS/medias.nix
+++ b/systems/LoutreOS/medias.nix
@@ -5,10 +5,10 @@
     transmission = {
       enable = true;
       home = "/var/lib/transmission";
+      port = 9091;
       group = "medias";
       settings = {
         rpc-bind-address = "127.0.0.1";
-        rpc-port = 9091;
         rpc-host-whitelist = "*";
         rpc-whitelist-enabled = false;
         peer-port = 51413;
diff --git a/systems/LoutreOS/web.nix b/systems/LoutreOS/web.nix
index 7828fea..99ffe8e 100644
--- a/systems/LoutreOS/web.nix
+++ b/systems/LoutreOS/web.nix
@@ -224,7 +224,7 @@ in
         };
         "login.nyanlout.re" = simpleReverse config.services.nginx.sso.configuration.listen.port;
         "grafana.nyanlout.re" = authReverse config.services.grafana.port;
-        "transmission.nyanlout.re" = authReverse config.services.transmission.settings.rpc-port;
+        "transmission.nyanlout.re" = authReverse config.services.transmission.port;
         "radarr.nyanlout.re" = authReverse 7878;
         "sonarr.nyanlout.re" = authReverse 8989;
         "syncthing.nyanlout.re" = authReverse 8384;