diff --git a/package-lock.json b/package-lock.json
index 2806fb7..62a50ef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2718,9 +2718,9 @@
       }
     },
     "highlight.js": {
-      "version": "9.12.0",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.12.0.tgz",
-      "integrity": "sha1-5tnb5Xy+/mB1HwKvM2GVhwyQwB4="
+      "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": "1.0.1",
diff --git a/package.json b/package.json
index 3b552e8..eb17ae8 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "browser-sync": "^2.24.4",
     "gulp": "^3.9.1",
     "gulp-pug": "^4.0.1",
-    "highlight.js": "^9.12.0"
+    "highlight.js": "^10.4.1"
   },
   "devDependencies": {
     "gulp-sass": "^4.0.2",