diff --git a/doc/book.toml b/doc/book.toml
index f79a2b3..d7de258 100644
--- a/doc/book.toml
+++ b/doc/book.toml
@@ -15,8 +15,8 @@ command = "mdbook-mermaid"
 git-repository-url = "https://github.com/deltadevsde/prism"
 default-theme = "ayu"
 no-section-label = true
-additional-js = ["custom.js", "mermaid.min.js", "mermaid-init.js", "https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/katex.min.js", "https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/contrib/auto-render.min.js"]
+additional-js = ["custom.js", "mermaid.min.js", "mermaid-init.js", "katex.min.js", "auto-render.min.js"]
 fold.enable = true
 fold.level = 0
 mathjax-support = false
-additional-css = ["https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/katex.min.css"]
\ No newline at end of file
+additional-css = ["https://cdn.jsdelivr.net/npm/katex@0.16.4/dist/katex.min.css"]