diff --git a/package-lock.json b/package-lock.json
index f4b53ad..9d51c6d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5178,9 +5178,9 @@
       "dev": true
     },
     "highlight.js": {
-      "version": "9.18.3",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.18.3.tgz",
-      "integrity": "sha512-zBZAmhSupHIl5sITeMqIJnYCDfAEc3Gdkqj65wC1lpI468MMQeeQkhcIAvk+RylAkxrCcI9xy9piHiXeQ1BdzQ==",
+      "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 e240634..9481bff 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "gulp-uglify": "~3.0",
     "gulp-vinyl-zip": "~2.2",
     "handlebars": "~4.7",
-    "highlight.js": "9.18.3",
+    "highlight.js": "10.4.1",
     "js-yaml": "~3.13",
     "merge-stream": "~2.0",
     "postcss-calc": "~7.0",