diff --git a/package-lock.json b/package-lock.json
index 99a3f32..4105990 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -649,9 +649,9 @@
       "integrity": "sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw=="
     },
     "highlight.js": {
-      "version": "9.16.2",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.16.2.tgz",
-      "integrity": "sha512-feMUrVLZvjy0oC7FVJQcSQRqbBq9kwqnYE4+Kj9ZjbHh3g+BisiPgF49NyQbVLNdrL/qqZr3Ca9yOKwgn2i/tw=="
+      "version": "10.4.1",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.4.1.tgz",
+      "integrity": "sha512-yR5lWvNz7c85OhVAEAeFhVCc/GV4C30Fjzc/rCP0aCWzc1UUOPUk55dK/qdwTZHBvMZo+eZ2jpk62ndX/xMFlg=="
     },
     "http-errors": {
       "version": "1.7.2",
diff --git a/package.json b/package.json
index b297d6e..0e61478 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "express": "^4.17.1",
     "express-session": "^1.17.0",
     "grant-express": "^4.6.4",
-    "highlight.js": "^9.16.2",
+    "highlight.js": "^10.4.1",
     "js-yaml": "^3.13.1",
     "markdown-it": "^10.0.0",
     "markdown-it-attrs": "^3.0.1",