diff --git a/package-lock.json b/package-lock.json
index 00e0476..565ce5c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -276,9 +276,9 @@
       }
     },
     "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==",
       "dev": true
     },
     "inflight": {
diff --git a/package.json b/package.json
index cc5723a..252f46b 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   "devDependencies": {
     "common-tags": "^1.4.0",
     "glob": "^7.1.2",
-    "highlight.js": "^9.12.0",
+    "highlight.js": "^10.4.1",
     "markdown-link": "^0.1.1",
     "markdown-toc": "^1.1.0",
     "remarkable": "^1.7.1",