diff --git a/package.json b/package.json
index 629b96a..f154c95 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
     "ng2-bootstrap": "1.1.8",
     "ng2-webpack-config": "0.0.5",
     "pre-commit": "1.1.3",
-    "prismjs": "1.5.1",
+    "prismjs": "1.21.0",
     "prismjs-loader": "0.0.4",
     "reflect-metadata": "0.1.8",
     "require-dir": "0.3.0",