diff --git a/doc/lisp/build-doc-config.el b/doc/lisp/build-doc-config.el
index 9e2cc8d690c63c229a49e2292a048b335a809f94..fdde4a3e33a3b1a863bbc1b13dde4cfbf3648afc 100644
--- a/doc/lisp/build-doc-config.el
+++ b/doc/lisp/build-doc-config.el
@@ -31,6 +31,9 @@
 
 (setq auto-save-default nil)
 
+(use-package tex
+  :ensure auctex)
+
 (use-package org
   :ensure t
   :pin org)
@@ -92,6 +95,9 @@
    (org . t)
    (latex . t )))
 
+(use-package gnuplot
+  :ensure t)
+
 (eval-when-compile
   (require 'easy-mmode)
   (require 'ox))