diff --git a/Material/package.json b/Material/package.json
index 94d0af3..69c10e7 100644
--- a/Material/package.json
+++ b/Material/package.json
@@ -54,7 +54,7 @@
     "jshint-stylish": "^2.0.1",
     "merge-stream": "^1.0.0",
     "mocha": "^2.1.0",
-    "prismjs": "0.0.1",
+    "prismjs": "1.30.0",
     "run-sequence": "^1.0.2",
     "swig": "^1.4.2",
     "through2": "^2.0.0",