diff --git a/package-lock.json b/package-lock.json
index 3ea0d21..0229211 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4442,9 +4442,9 @@
       "integrity": "sha512-NCcqc2Qu9NoBX0coVbxTckVte4eDmobfHg9mwPsqd1v92Wizs5ygYX9NvkYW2l7xMkkxkApgamNW39cNkonNmw=="
     },
     "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
     },
     "hmac-drbg": {
diff --git a/package.json b/package.json
index 1f1f743..e438f2c 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "css-loader": "^0.28.8",
     "exports-loader": "^0.6.4",
     "file-loader": "^1.1.6",
-    "highlight.js": "^9.12.0",
+    "highlight.js": "^10.4.1",
     "imports-loader": "^0.7.1",
     "jsdom": "^15.1.1",
     "mocha": "^4.1.0",