diff --git a/package-lock.json b/package-lock.json
index 4e70238..fe384c7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5526,9 +5526,9 @@
       "dev": true
     },
     "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==",
       "dev": true
     },
     "hmac-drbg": {
diff --git a/package.json b/package.json
index 60d2d12..a922159 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "gulp-uglify": "~3.0",
     "gulp-vinyl-zip": "~2.1 >=2.1.2",
     "handlebars": "~4.2",
-    "highlight.js": "~9.15",
+    "highlight.js": "~10.4",
     "js-yaml": "~3.13",
     "merge-stream": "~2.0",
     "postcss-calc": "~7.0",
diff --git a/yarn.lock b/yarn.lock
index 703f855..a871477 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3697,7 +3697,7 @@ gulp-uglify@~3.0:
     yauzl "^2.2.1"
     yazl "^2.2.1"
 
-gulp@~4.0:
+gulp@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/gulp/-/gulp-4.0.2.tgz#543651070fd0f6ab0a0650c6a3e6ff5a7cb09caa"
   integrity sha512-dvEs27SCZt2ibF29xYgmnwwCYZxdxhQ/+LFWlbAW8y7jt68L/65402Lz3+CKy0Ov4rOs+NERmDq7YlZaDqUIfA==
@@ -3825,10 +3825,10 @@ hex-color-regex@^1.1.0:
   resolved "https://registry.yarnpkg.com/hex-color-regex/-/hex-color-regex-1.1.0.tgz#4c06fccb4602fe2602b3c93df82d7e7dbf1a8a8e"
   integrity sha512-l9sfDFsuqtOqKDsQdqrMRk0U85RZc0RtOR9yPI7mRVOa4FsR/BVnZ0shmQRM96Ji99kYZP/7hn1cedc1+ApsTQ==
 
-highlight.js@~9.15:
-  version "9.15.10"
-  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.15.10.tgz#7b18ed75c90348c045eef9ed08ca1319a2219ad2"
-  integrity sha512-RoV7OkQm0T3os3Dd2VHLNMoaoDVx77Wygln3n9l5YV172XonWG6rgQD3XnF/BuFFZw9A0TJgmMSO8FEWQgvcXw==
+highlight.js@~10.4:
+  version "10.4.1"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-10.4.1.tgz#d48fbcf4a9971c4361b3f95f302747afe19dbad0"
+  integrity sha512-yR5lWvNz7c85OhVAEAeFhVCc/GV4C30Fjzc/rCP0aCWzc1UUOPUk55dK/qdwTZHBvMZo+eZ2jpk62ndX/xMFlg==
 
 hmac-drbg@^1.0.0:
   version "1.0.1"