diff --git a/package-lock.json b/package-lock.json
index 606eb1a..7adffce 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,7 @@
       "devDependencies": {
         "@axe-core/playwright": "4.13.0",
         "@playwright/test": "1.63.0",
-        "katex": "0.18.7"
+        "katex": "0.18.9"
       },
       "engines": {
         "node": ">=22.12.0"
@@ -64,9 +64,9 @@
       }
     },
     "node_modules/katex": {
-      "version": "0.18.7",
-      "resolved": "https://registry.npmjs.org/katex/-/katex-0.18.7.tgz",
-      "integrity": "sha512-h+UCwkZ+4Jz8WQ7MLGfj7UVFrRCizGb912fwF4luGdYsC5paYG1vx+jy+KRcC/XkpjGva/P7nAWuxNnPzRvzHw==",
+      "version": "0.18.9",
+      "resolved": "https://registry.npmjs.org/katex/-/katex-0.18.9.tgz",
+      "integrity": "sha512-8ad9RyoKsb/g8/yLFE+KAlP+DhbCTRUNi/V9XGsxn0R+trJJltNwzcDNo0q/DEkOy5fQUQTAQyCXCYSE+OakTQ==",
       "dev": true,
       "funding": [
         "https://opencollective.com/katex",
diff --git a/package.json b/package.json
index 6004435..82e1690 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,6 @@
   "devDependencies": {
     "@axe-core/playwright": "4.13.0",
     "@playwright/test": "1.63.0",
-    "katex": "0.18.7"
+    "katex": "0.18.9"
   }
 }