diff --git a/package-lock.json b/package-lock.json
index bf6cea2..7b90f76 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "chart.js": "^4.4.7",
         "fuse.js": "^7.0.0",
         "jsdom": "^26.0.0",
-        "katex": "^0.16.14",
+        "katex": "^0.16.21",
         "mermaid": "^11.4.1",
         "prettier": "^3.4.2",
         "prettier-plugin-go-template": "^0.0.15",
@@ -2130,14 +2130,15 @@
       }
     },
     "node_modules/katex": {
-      "version": "0.16.14",
-      "resolved": "https://registry.npmjs.org/katex/-/katex-0.16.14.tgz",
-      "integrity": "sha512-tnUUAL/S+f/w8KrRpCFcCW/msuIlBkOmVnTmvdEK6WCkx6uDPRj3d9SBAP+qB5x0MCeOyUbdbIMtT5cUJD8aRw==",
+      "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"
       },
@@ -5463,9 +5464,9 @@
       }
     },
     "katex": {
-      "version": "0.16.14",
-      "resolved": "https://registry.npmjs.org/katex/-/katex-0.16.14.tgz",
-      "integrity": "sha512-tnUUAL/S+f/w8KrRpCFcCW/msuIlBkOmVnTmvdEK6WCkx6uDPRj3d9SBAP+qB5x0MCeOyUbdbIMtT5cUJD8aRw==",
+      "version": "0.16.21",
+      "resolved": "https://registry.npmjs.org/katex/-/katex-0.16.21.tgz",
+      "integrity": "sha512-XvqR7FgOHtWupfMiigNzmh+MgUVmDGU2kXZm899ZkPfcuoPuFxyHmXsgATDpFZDAXCI8tvinaVcDo8PIIJSo4A==",
       "dev": true,
       "requires": {
         "commander": "^8.3.0"
diff --git a/package.json b/package.json
index 4e3b5c0..1280b3e 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "chart.js": "^4.4.7",
     "fuse.js": "^7.0.0",
     "jsdom": "^26.0.0",
-    "katex": "^0.16.14",
+    "katex": "^0.16.21",
     "mermaid": "^11.4.1",
     "prettier": "^3.4.2",
     "prettier-plugin-go-template": "^0.0.15",