diff --git a/config/hosts/jellyseerr/configuration.nix b/config/hosts/jellyseerr/configuration.nix
index cf03358..05b8f3f 100644
--- a/config/hosts/jellyseerr/configuration.nix
+++ b/config/hosts/jellyseerr/configuration.nix
@@ -10,7 +10,6 @@
     firewall = {
       allowedTCPPorts = [ 80 443 ];
     };
-    nameservers = [ "193.138.218.74" ];
     extraHosts =
       ''
         10.202.46.101 jellyfin.grzb.de
@@ -19,10 +18,5 @@
       '';
   };
 
-  services.resolved = {
-    enable = true;
-    fallbackDns = [ ];
-  };
-
   system.stateVersion = "23.11";
 }
diff --git a/config/hosts/jellyseerr/jellyseerr.nix b/config/hosts/jellyseerr/jellyseerr.nix
index 8e406b0..bd473b0 100644
--- a/config/hosts/jellyseerr/jellyseerr.nix
+++ b/config/hosts/jellyseerr/jellyseerr.nix
@@ -1,15 +1,6 @@
-{ pkgs, ... }:
-let
-  jellyseerrOverlay = final: prev: {
-    jellyseerr = prev.jellyseerr.overrideAttrs (finalAttr: previousAttr: {
-      dontCheckForBrokenSymlinks = true;
-    });
-  };
-  pkgs-overlay = pkgs.extend jellyseerrOverlay;
-in
+{ ... }:
 {
   services.jellyseerr = {
     enable = true;
-    package = pkgs-overlay.jellyseerr;
   };
 }
diff --git a/config/hosts/mastodon/mastodon.nix b/config/hosts/mastodon/mastodon.nix
index d8ba670..5aa22ad 100644
--- a/config/hosts/mastodon/mastodon.nix
+++ b/config/hosts/mastodon/mastodon.nix
@@ -16,14 +16,14 @@ let
   };
   mastodonNekoverseOverlay = final: prev: {
     mastodon = (prev.mastodon.override rec {
-      version = "4.3.4";
+      version = "4.3.3";
       srcOverride = final.applyPatches {
         src = pkgs.stdenv.mkDerivation {
           name = "mastodonWithThemes";
           src = pkgs.fetchgit {
             url = "https://github.com/mastodon/mastodon.git";
             rev = "v${version}";
-            sha256 = "sha256-2FpiFSK9CBm7eHqVvV8pPp6fLc5jCcUektpSyxNnXtw=";
+            sha256 = "sha256-6FyLhRy+/uW+RYt+IRHpkTABjKGTQYjR/4GSPN+GlGY=";
           };
           # mastodon ships with broken symlinks, disable the check for that for now
           dontCheckForBrokenSymlinks = true;
@@ -50,6 +50,14 @@ let
         ];
       };
       yarnHash = "sha256-e5c04M6XplAgaVyldU5HmYMYtY3MAWs+a8Z/BGSyGBg=";
+    }).overrideAttrs (old: {
+      mastodonModules = old.mastodonModules.overrideAttrs (old: {
+        # FIXME: Remove once fixed in nixpkgs. See https://github.com/NixOS/nixpkgs/issues/380366
+        postBuild = ''
+          # Remove workspace "package" as it contains broken symlinks
+          rm -r ~/node_modules/@mastodon
+        '';
+      });
     });
   };
   pkgs-overlay = pkgs.extend mastodonNekoverseOverlay;
diff --git a/flake.lock b/flake.lock
index b83d314..9645052 100644
--- a/flake.lock
+++ b/flake.lock
@@ -55,11 +55,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1740947705,
-        "narHash": "sha256-Co2kAD2SZalOm+5zoxmzEVZNvZ17TyafuFsD46BwSdY=",
+        "lastModified": 1737057290,
+        "narHash": "sha256-3Pe0yKlCc7EOeq1X/aJVDH0CtNL+tIBm49vpepwL1MQ=",
         "owner": "nix-community",
         "repo": "nixos-generators",
-        "rev": "507911df8c35939050ae324caccc7cf4ffb76565",
+        "rev": "d002ce9b6e7eb467cd1c6bb9aef9c35d191b5453",
         "type": "github"
       },
       "original": {
@@ -70,11 +70,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1741237477,
-        "narHash": "sha256-WU1ktX7V2RwyPS0BSgdOjHc0vc/rDJtr22tzd5u3t+U=",
+        "lastModified": 1739188370,
+        "narHash": "sha256-2h/5uQaKwQeRXIgpOJpzgeO3qe93AonbJFk0CxTSygY=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "1907ea1e8f63d206c8bf7991552a539f8a4baeaa",
+        "rev": "8ae4ee7978617d3af98721a62f14f25befc0beef",
         "type": "github"
       },
       "original": {
@@ -101,11 +101,11 @@
     },
     "nixpkgs-master": {
       "locked": {
-        "lastModified": 1741277795,
-        "narHash": "sha256-rS7qyqAQp6h0t3aS+FQgzliGV+Omh/4TdVnVnRSsGvg=",
+        "lastModified": 1739319052,
+        "narHash": "sha256-L8Tq1dnW96U70vrNpCCGCLHz4rX1GhNRCrRI/iox9wc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "14a4a1f82773653ac1ac16ed577e42d927380802",
+        "rev": "83a2581c81ff5b06f7c1a4e7cc736a455dfcf7b4",
         "type": "github"
       },
       "original": {
@@ -117,11 +117,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1741241576,
-        "narHash": "sha256-/mxmUVd+AE2bTmulNfM7yICocUvavlFQHcMYK67z3qI=",
+        "lastModified": 1739303263,
+        "narHash": "sha256-c/Z/6gZLN8BIpYh1B3qMzEn0TArjf4F2lmy59lDLVBM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ffe8d1b1030b5de6eba761102ee34b6e41d040ee",
+        "rev": "6cc4213488e886db863878a1e3dc26cc932d38b8",
         "type": "github"
       },
       "original": {
diff --git a/hosts.nix b/hosts.nix
index 1dfc6fc..fc029b7 100644
--- a/hosts.nix
+++ b/hosts.nix
@@ -39,7 +39,6 @@ in
       environment = "proxmox";
     };
     jellyfin = {
-      hostNixpkgs = nixpkgs-unstable;
       site = "vs";
       environment = "proxmox";
     };