diff --git a/src/mdl/package.json b/src/mdl/package.json
index e46c50f..d330aef 100644
--- a/src/mdl/package.json
+++ b/src/mdl/package.json
@@ -56,7 +56,7 @@
     "jshint-stylish": "^2.2.1",
     "merge-stream": "^1.0.0",
     "mocha": "^3.0.2",
-    "prismjs": "0.0.1",
+    "prismjs": "1.30.0",
     "run-sequence": "^1.0.2",
     "swig": "^1.4.2",
     "through2": "^2.0.0",