diff --git a/configs/pkgs.nix b/configs/pkgs.nix
index c800843..b9ed210 100644
--- a/configs/pkgs.nix
+++ b/configs/pkgs.nix
@@ -42,6 +42,7 @@
     libvterm
     man-pages
     maxima
+    mdbook
     mercurial
     mg
     mutt