diff --git a/doc/package-lock.json b/doc/package-lock.json
index 192f399..490342e 100644
--- a/doc/package-lock.json
+++ b/doc/package-lock.json
@@ -377,14 +377,15 @@
       "dev": true
     },
     "node_modules/katex": {
-      "version": "0.16.20",
-      "resolved": "https://registry.npmjs.org/katex/-/katex-0.16.20.tgz",
-      "integrity": "sha512-jjuLaMGD/7P8jUTpdKhA9IoqnH+yMFB3sdAFtq5QdAqeP2PjiSbnC3EaguKPNtv6dXXanHxp1ckwvF4a86LBig==",
+      "version": "0.16.21",
+      "resolved": "https://registry.npmjs.org/katex/-/katex-0.16.21.tgz",
+      "integrity": "sha512-XvqR7FgOHtWupfMiigNzmh+MgUVmDGU2kXZm899ZkPfcuoPuFxyHmXsgATDpFZDAXCI8tvinaVcDo8PIIJSo4A==",
       "dev": true,
       "funding": [
         "https://opencollective.com/katex",
         "https://github.com/sponsors/katex"
       ],
+      "license": "MIT",
       "dependencies": {
         "commander": "^8.3.0"
       },