diff --git a/nalai/etc/nixos/configuration.nix b/nalai/etc/nixos/configuration.nix
index 745a336..21e63ed 100644
--- a/nalai/etc/nixos/configuration.nix
+++ b/nalai/etc/nixos/configuration.nix
@@ -59,6 +59,7 @@
     keychain
     lunar-client
     mosh
+    mercurial
     mumble
     ndisc6
     nfs-utils