diff --git a/nix/configuration.nix b/nix/configuration.nix
index ce28ccf..ef95737 100644
--- a/nix/configuration.nix
+++ b/nix/configuration.nix
@@ -225,6 +225,7 @@
     packages = with pkgs; [
       nixd
       qpwgraph
+      thunderbird
       vintagestory
 
       element-desktop