diff --git a/quartz/plugins/transformers/latex.ts b/quartz/plugins/transformers/latex.ts
index cb459f743..ab10a4fbb 100644
--- a/quartz/plugins/transformers/latex.ts
+++ b/quartz/plugins/transformers/latex.ts
@@ -26,12 +26,12 @@ export const Latex: QuartzTransformerPlugin<Options> = (opts?: Options) => {
         return {
           css: [
             // base css
-            "https://cdn.jsdelivr.net/npm/katex@0.16.0/dist/katex.min.css",
+            "https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.css",
           ],
           js: [
             {
               // fix copy behaviour: https://github.com/KaTeX/KaTeX/blob/main/contrib/copy-tex/README.md
-              src: "https://cdn.jsdelivr.net/npm/katex@0.16.7/dist/contrib/copy-tex.min.js",
+              src: "https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/contrib/copy-tex.min.js",
               loadTime: "afterDOMReady",
               contentType: "external",
             },