diff --git a/docs/book.toml b/docs/book.toml
index d73a1d0e..105809ff 100644
--- a/docs/book.toml
+++ b/docs/book.toml
@@ -4,3 +4,9 @@ language = "en"
 multilingual = false
 src = "src"
 title = "bootc"
+
+[preprocessor.mermaid]
+command = "mdbook-mermaid"
+
+[output.html]
+additional-js = ["mermaid.min.js", "mermaid-init.js"]