diff --git a/package-lock.json b/package-lock.json
index ab2a35d..d5aa939 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2519,9 +2519,9 @@
       "dev": true
     },
     "highlight.js": {
-      "version": "9.15.9",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.15.9.tgz",
-      "integrity": "sha512-M0zZvfLr5p0keDMCAhNBp03XJbKBxUx5AfyfufMdFMEP4N/Xj6dh0IqC75ys7BAzceR34NgcvXjupRVaHBPPVQ==",
+      "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==",
       "dev": true
     },
     "hmac-drbg": {
diff --git a/package.json b/package.json
index bc851ee..029acde 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   "devDependencies": {
     "browserify": "^14.4.0",
     "clean-css-cli": "^4.3.0",
-    "highlight.js": "^9.15.9",
+    "highlight.js": "^10.4.1",
     "jscs": "^3.0.7",
     "jshint": "^2.10.2",
     "node-static": "^0.7.7",