diff --git a/node_app/public/css/primereact/package.json b/node_app/public/css/primereact/package.json
index 7ce6a12..a177409 100644
--- a/node_app/public/css/primereact/package.json
+++ b/node_app/public/css/primereact/package.json
@@ -74,7 +74,7 @@
     "node-sass-chokidar": "^1.3.0",
     "npm-run-all": "^4.1.3",
     "primeicons": "1.0.0-beta.10",
-    "prismjs": "1.6.0",
+    "prismjs": "1.21.0",
     "prop-types": "^15.5.0",
     "quill": "1.3.3",
     "react": "^16.0.0",