diff --git a/package-lock.json b/package-lock.json
index 8277d13a..182475d5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2320,9 +2320,9 @@
       }
     },
     "highlight.js": {
-      "version": "9.15.10",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.15.10.tgz",
-      "integrity": "sha512-RoV7OkQm0T3os3Dd2VHLNMoaoDVx77Wygln3n9l5YV172XonWG6rgQD3XnF/BuFFZw9A0TJgmMSO8FEWQgvcXw=="
+      "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=="
     },
     "homedir-polyfill": {
       "version": "1.0.3",
diff --git a/package.json b/package.json
index d50403be..7966ce00 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
   },
   "dependencies": {
     "reveal.js": "^3.8.0",
-    "highlight.js": "^9.11.0",
+    "highlight.js": "^10.4.1",
     "reveal-code-focus": "^1.0.0",
     "lodash": ">=4.17.13",
     "lodash.mergewith": ">=4.6.2",