diff --git a/roles/mail.nix b/roles/mail.nix
index 0f6f788..8e834c5 100644
--- a/roles/mail.nix
+++ b/roles/mail.nix
@@ -9,6 +9,7 @@ in {
     khal
     msmtp
     notmuch
+    thunderbird
     vdirsyncer
   ];
 }