diff --git a/packages.nix b/packages.nix
index 4c96ebb9e..b32fd5176 100644
--- a/packages.nix
+++ b/packages.nix
@@ -99,9 +99,11 @@ in {
     lxappearance-gtk3
     manpages
     maven
+    msmtp
     mq-cli
     ngrok
     nixops
+    notmuch
     numix-cursor-theme
     numix-gtk-theme
     numix-icon-theme