diff --git a/nixos/extra.nix b/nixos/extra.nix
index 9b266887..30b5c07a 100644
--- a/nixos/extra.nix
+++ b/nixos/extra.nix
@@ -2,6 +2,8 @@
 {
   environment.systemPackages = with pkgs; [
     # (import ../../Projects/waymonad/default.nix)
+    asciidoctor
+    gource
     gimp
     android-studio
     texlive.combined.scheme-full