diff --git a/package-lock.json b/package-lock.json
index 73a427a..f5a641e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5314,9 +5314,9 @@
       "integrity": "sha512-l9sfDFsuqtOqKDsQdqrMRk0U85RZc0RtOR9yPI7mRVOa4FsR/BVnZ0shmQRM96Ji99kYZP/7hn1cedc1+ApsTQ=="
     },
     "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=="
     },
     "hmac-drbg": {
       "version": "1.0.1",
diff --git a/package.json b/package.json
index d865706..f0a010a 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "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",