diff --git a/www/package-lock.json b/www/package-lock.json
old mode 100755
new mode 100644
index 6a37c19..6e21d1b
--- a/www/package-lock.json
+++ b/www/package-lock.json
@@ -2717,14 +2717,15 @@
       }
     },
     "node_modules/katex": {
-      "version": "0.16.19",
-      "resolved": "https://registry.npmjs.org/katex/-/katex-0.16.19.tgz",
-      "integrity": "sha512-3IA6DYVhxhBabjSLTNO9S4+OliA3Qvb8pBQXMfC4WxXJgLwZgnfDl0BmB4z6nBMdznBsZ+CGM8DrGZ5hcguDZg==",
+      "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"
       },