diff --git a/ht19/devops/package-lock.json b/ht19/devops/package-lock.json
index 381711a..e4ae77e 100644
--- a/ht19/devops/package-lock.json
+++ b/ht19/devops/package-lock.json
@@ -2133,9 +2133,9 @@
       }
     },
     "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=="
     },
     "hmac-drbg": {
       "version": "1.0.1",
diff --git a/ht19/devops/package.json b/ht19/devops/package.json
index 4e494c8..6e57681 100644
--- a/ht19/devops/package.json
+++ b/ht19/devops/package.json
@@ -29,7 +29,7 @@
     "webpack-cli": "^3.3.7"
   },
   "dependencies": {
-    "highlight.js": "^9.15.10",
+    "highlight.js": "^10.4.1",
     "slideorama": "^1.0.2"
   }
 }