diff --git a/data/external.yaml b/data/external.yaml
index 2721e76..427c8aa 100644
--- a/data/external.yaml
+++ b/data/external.yaml
@@ -23,16 +23,16 @@ PhotoSwipe:
       type: style
 
 KaTeX:
-    - src: https://cdn.jsdelivr.net/npm/katex@0.12.0/dist/katex.min.css
-      integrity: sha384-AfEj0r4/OFrOo5t7NnNe46zW/tFgW6x/bCJG8FqQCEo3+Aro6EYUG4+cU+KJWu/X
+    - src: https://cdn.jsdelivr.net/npm/katex@0.13.13/dist/katex.min.css
+      integrity: sha384-RZU/ijkSsFbcmivfdRBQDtwuwVqK7GMOw6IMvKyeWL2K5UAlyp6WonmB8m7Jd0Hn
       type: style
 
-    - src: https://cdn.jsdelivr.net/npm/katex@0.12.0/dist/katex.min.js
-      integrity: sha384-g7c+Jr9ZivxKLnZTDUhnkOnsh30B4H0rpLUpJ4jAIKs4fnJI+sEnkvrMWph2EDg4
+    - src: https://cdn.jsdelivr.net/npm/katex@0.13.13/dist/katex.min.js
+      integrity: sha384-pK1WpvzWVBQiP0/GjnvRxV4mOb0oxFuyRxJlk6vVw146n3egcN5C925NCP7a7BY8
       type: script
       defer: true
 
-    - src: https://cdn.jsdelivr.net/npm/katex@0.12.0/dist/contrib/auto-render.min.js
-      integrity: sha384-mll67QQFJfxn0IYznZYonOWZ644AWYC+Pt2cHqMaRhXVrursRwvLnLaebdGIlYNa
+    - src: https://cdn.jsdelivr.net/npm/katex@0.13.13/dist/contrib/auto-render.min.js
+      integrity: sha384-vZTG03m+2yp6N6BNi5iM4rW4oIwk5DfcNdFfxkk9ZWpDriOkXX8voJBFrAO7MpVl
       type: script
       defer: true