diff --git a/book/book.toml b/book/book.toml
index e5aebe9..45fed3b 100644
--- a/book/book.toml
+++ b/book/book.toml
@@ -4,3 +4,7 @@ language = "ru"
 multilingual = false
 src = "src"
 title = "Nihil Unbound"
+
+
+[output.html]
+default-theme = "rust"
\ No newline at end of file