diff --git a/common/nix.nix b/common/nix.nix
index 1b4b96d..35c7505 100644
--- a/common/nix.nix
+++ b/common/nix.nix
@@ -10,6 +10,15 @@
   nixpkgs.config.allowUnfree = true;
   nix.settings.trusted-users = [ "@wheel" ];
 
+  # Dependency of jellyfin-media-player, which hasn't upgraded to Qt6 yet
+  # Related tickets:
+  # - https://github.com/NixOS/nixpkgs/pull/435067
+  # - https://github.com/NixOS/nixpkgs/issues/437865
+  # - https://github.com/jellyfin/jellyfin-media-player/issues/282
+  nixpkgs.config.permittedInsecurePackages = [
+    "qtwebengine-5.15.19"
+  ];
+
   nix.package = pkgs.lixPackageSets.stable.lix;
   nixpkgs.overlays = [
     (final: prev: {