diff --git a/nix/configuration.nix b/nix/configuration.nix
index 15c87a0..49d275a 100644
--- a/nix/configuration.nix
+++ b/nix/configuration.nix
@@ -236,6 +236,7 @@
     packages = with pkgs; [
       nixd
       qpwgraph
+      thunderbird
       vintagestory
 
       element-desktop