diff --git a/package.json b/package.json
index d62af71..94dc8b5 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "browserify": "^8.1.3",
     "ejs": "^2.2.4",
     "hellojs": "^1.4.3",
-    "highlight.js": "^8.4.0",
+    "highlight.js": "^9.18.2",
     "markdown": "^0.5.0",
     "uglifyify": "^3.0.1"
   }