diff --git a/docs/.dir-locals.el b/docs/.dir-locals.el
index a1a020d..95c3727 100644
--- a/docs/.dir-locals.el
+++ b/docs/.dir-locals.el
@@ -2,4 +2,5 @@
 ;;; For more information see (info "(emacs) Directory Variables")
 
 ((org-mode . ((org-list-allow-alphabetical . nil)
-              (org-confirm-babel-evaluate . nil))))
+              (org-confirm-babel-evaluate . nil)
+              (eval . (add-hook 'after-save-hook #'org-babel-tangle)))))