diff --git a/docs/conf.py b/docs/conf.py
index 777d523a..4a22ce4e 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -92,6 +92,9 @@
 # The name of the Pygments (syntax highlighting) style to use.
 pygments_style = "sphinx"
 
+# -- Options for PDF output -------------------------------------------------
+latex_engine = "xelatex"
+
 # -- Options for HTML output -------------------------------------------------
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for a list of builtin themes.