diff --git a/.dir-locals.el b/.dir-locals.el
new file mode 100644
index 0000000..516ba17
--- /dev/null
+++ b/.dir-locals.el
@@ -0,0 +1,5 @@
+;;; Directory Local Variables
+;;; See Info node `(emacs) Directory Variables' for more information.
+
+((latex-mode
+  (TeX-engine . luatex)))