diff --git a/book.toml b/book.toml
index 65d8616b18..33b2d8a9dd 100644
--- a/book.toml
+++ b/book.toml
@@ -19,6 +19,9 @@ additional-css = [
 ]
 additional-js = ["theme/js/language-picker.js"]
 
+[output.html.search]
+use-boolean-and = true
+
 [rust]
 edition = "2021"