diff --git a/configs/mail.nix b/configs/mail.nix
index 11a4bf1..39eaf93 100644
--- a/configs/mail.nix
+++ b/configs/mail.nix
@@ -42,6 +42,8 @@ in {
   environment.systemPackages = [
     pkgs.neomutt
 
+    pkgs.notmuch-addrlookup
+
     mail-sync
 
     (pkgs.writers.writeDashBin "mua" ''