diff --git a/package.json b/package.json
index 236bf83..bf9fe60 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "less": "^3.10.3",
     "lodash": "^4.17.15",
     "normalize.css": "^8.0.1",
-    "prismjs": "^1.20.0",
+    "prismjs": "^1.30.0",
     "react": "^16.11.0",
     "react-dom": "^16.11.0",
     "react-helmet": "^5.2.1",