diff --git a/package.json b/package.json
index 984ba49..206f85c 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
   },
   "devDependencies": {
     "chai": "^3.5.0",
-    "highlight.js": "^8.4.0",
+    "highlight.js": "^10.4.1",
     "mocha": "^8.0.1",
     "vinyl": "^2.2.0",
     "watchjs": "0.0.0"
diff --git a/yarn.lock b/yarn.lock
index 6ea0e68..18bd79c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1076,10 +1076,10 @@ he@1.2.0, he@1.2.x:
   resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
   integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
 
-highlight.js@^8.4.0:
-  version "8.9.1"
-  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-8.9.1.tgz#b8a9c5493212a9392f0222b649c9611497ebfb88"
-  integrity sha1-uKnFSTISqTkvAiK2SclhFJfr+4g=
+highlight.js@^10.4.1:
+  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==
 
 html-minifier@^3.5.21:
   version "3.5.21"